PO2: 1

Switching regimes in fire plumes: regional implications

Eleni Dovrou^1,2, Apostolos Voulgarakis^1,2

¹School of Chemical and Environmental Engineering, Technical University of Crete, Greece; ²Leverhulme Center for Wildfires, Environment and Society, Imperial College London, London, UK

PO2: 2

Biomass Burning Organic Aerosols as a Pool of Atmospheric Reactive Triplets to Drive Multiphase Sulfate Formation

Chak Keung Chan¹, Zhancong Liang¹, Liyuan Zhou¹, Yuqing Chang¹, Yiming Qin²

¹King Abdullah University of Science and Technology, Saudi Arabia; ²City Univeristy of Hong Kong, Hong Kong

PO2: 3

Aerosol composition and gas/particle partitioning in a nitrogen dominated atmosphere

Pascale Ooms¹, Farhan Nursanto¹, Willem Kroese², Marianne Heida³, Margreet van Zanten^1,3, Roy Wichink Kruit³, Marte Voorneveld³, Marten in 't Veld³, Rupert Holzinger², Uli Dusek⁴, Juliane Fry¹

¹Wageningen University & Research, the Netherlands; ²Utrecht University, the Netherlands; ³National Institute for Public Health and Environment, the Netherlands; ⁴Rijksuniversiteit Groningen, the Netherlands

PO2: 4

Chemical formation pathways of secondary organic aerosols in the Beijing-Tianjin-Hebei region in wintertime

Jie Li

Yunnan University, China

PO2: 5

Cross-validation of methods for quantifying the contribution of local (urban) and regional sources to PM2.5 pollution: Application in the Eastern Mediterranean (Cyprus)

Elie Bimenyimana¹, Jean Sciare¹, Konstantina Oikonomou¹, Minas Iakovides¹, Michael Pikridas¹, Emily Vasiliadou³, Chrysanthos Savvides³, Nikos Mihalopoulos^1,2

¹Climate and Atmosphere Research Centre (CARE-C), Nicosia, Cyprus; ²National Observatory of Athens, Athens, Greece; ³Department of Labour Inspection, Ministry of Labour and Social Insurance, Nicosia, Cyprus

PO2: 6

Black Carbon Trends and Source Apportionment in Berlin: A Multi-Year Analysis

Himanshu Setia¹, Michael Pikridas², Seán Schmitz¹, Erika Von Schneidemesser¹

¹Forschungsinstitut für Nachhaltigkeit – Helmholtz-Zentrum Potsdam, Germany; ²Climate and Atmosphere Research Center (CARE-C), The Cyprus Institute, Nicosia, Cyprus

PO2: 7

Aerosols from Biomass Burning: A Comparative Study under Controlled and Uncontrolled Combustion Conditions

Durre Nayab Habib, Laurynas Bucinskas, Andrius Garbaras, Agne Masalaite

State Research Institute, Center For Physical Sciences And Technology, Vilnius, Lithuania, Lithuania

PO2: 8

Modelling Air Pollution in Coastal Industrial Zones of Chile: A Fuzzy Clustering and High-Resolution Spatial Approach Including the “Gray Zone”

Miguel Ángel Lugo Salazar, Hector Iván Jorquera González

Pontifical Catholic University of Chile, Chile

PO2: 9

Source apportionment analysis of phosphorus in PM2.5 and PM10 in two Greek cities

Kyriaki Papoutsidaki¹, Georgios Grivas², Faidra Aikaterini Kozonaki^1,2, Kalliopi Tavernaraki¹, Konstantina Oikonomou³, Irini Tsiodra², Maria Tsagkaraki¹, Aikaterini Bougiatioti², Nikolaos Mihalopoulos², Maria Kanakidou^1,4,5

¹ECPL, Department of Chemistry, University of Crete, Heraklion, 70013, Greece; ²IERSD, National Observatory of Athens, P. Penteli, Athens, 15236, Greece; ³CARE-C Research Center, The Cyprus Institute, Nicosia, 2121, Cyprus; ⁴CSTACC, ICE-HT, FORTH, Patras, Greece; ⁵Institute of Environmental Physics, University of Bremen, Bremen, Germany

PO2: 10

Source apportionment of aerosol particles by positive matrix factorization in urban background environment (Vilnius, Lithuania)

Viachaslau Alifirenka, Vitalij Kovalevskij, Mindaugas Gaspariūnas, Mindaugas Bernatonis, Steigvilė Byčenkienė

State research institute Center for Physical Sciences and Technology, Lithuania

PO2: 11

Spatial characterization of Urban Particle Phase Pollution Sources through Mobile Measurements in Sarajevo

Michael Bauer¹, Jay Gates Slowik¹, Marta Via², Peeyush Khare^1,5, Benjamin Guy Jacques Chazeau³, Kristina Glojek^1,6, Manousos Ioannis Manousakas^1,7, Zachary C.J. Decker^1,8, Almir Bijedić⁴, Enis Krečinić⁴, Griša Močnik², André S. H. Prévôt¹, Katja Džepina¹

¹PSI Center for Energy and Environmental Sciences, 5232 Villigen PSI, Switzerland; ²University of Nova Gorica, Nova Gorica, 5000, Slovenia; ³Aix Marseille Univ., CNRS, LCE, Marseille, 13007, France; ⁴Federal Hydrometeorological Institute of Bosnia and Herzegovina, Sarajevo, 71000, Bosnia and Herzegovina; ⁵now at: Institute of Climate and Energy Systems (ICE-³Troposphere, Forschungszentrum Jülich, 52428 Jülich, Germany; ⁶now at: Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, 08034, Spain; ⁷now at: Environmental Radioactivity & Aerosol Tech. for Atmospheric & Climate Impacts, INRaSTES, National Centre of Scientific Research “Demokritos”, Ag. Paraskevi, 15310, Greece; ⁸now at: NOAA CSL & Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, CO, USA

PO2: 12

Chemical composition, sources and vertical transport of non-refractory submicron aerosol in Po Valley: simultaneous on-line measurements at Bologna (54 m a.s.l.) and Mt. Cimone (2165 m a.s.l.)

Marco Rapuano¹, Cecilia Magnani¹, Matteo Rinaldi¹, Marco Paglione¹, Alessandro Bracci¹, Ferdinando Paqualini¹, Laura Renzi¹, Martina Mazzini¹, Simonetta Montaguti¹, Claudia Roberta Calidonna², Marco Zanatta¹, Camilla Perfetti¹, Nora Zannoni¹, Stefano Decesari¹, Angela Marinoni¹

¹Institute of Atmospheric Sciences and Climate (CNR-ISAC), National Research Council of Italy, Bologna, 40129, Italy; ²Institute of Atmospheric Sciences and Climate (CNR-ISAC), National Research Council of Italy, Lamezia Terme, 88046, Italy

PO2: 13

Comprehensive source apportionment of black carbon at a rural site in Punjab using the aethalometer model and positive matrix factorization (PMF) model

Ajit Kumar¹, Vikas Goel^1,3, Mohammad Faisal^2,4, Umer Ali², Anjanay Pandey², Vikram Singh², Mayank Kumar¹

¹Department of Mechanical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India; ²Department of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India; ³Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, USA, 24060; ⁴Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villegen, Aargau 5232 Switzerland

PO2: 14

Advancing Air Quality and Climate Insights in Lahti, Finland: Investigating Regional Emission Sources

Haitong Zhang^1,2, Benjamin Foreback^1,2, Michael Boy^1,2,3

¹1Institute for Atmospheric and Earth System Research/Physics, University of Helsinki, Finland; ²Atmospheric Modelling Centre Lahti, Finland; ³3School of Engineering Science, Lappeenranta-Lahti University of Technology,Finland

PO2: 15

Black carbon source apportionment and air mass transport effects in urban areas across warm and cold seasons

Moritz Hey^1,2, Agne Minderyte³, Nikolaos Evangeliou⁴, Steigvilė Byčenkienė³, Iwona S. Stachlewska²

¹Institute for atmospheric Physics, University of Mainz (JGU); ²University of Warsaw; ³Center for Physical Sciences and Technology; ⁴Stiftelsen NILU (former Norwegian Institute for Air Research)

PO2: 16

Light Absorbing Carbon in Atmospheric Particulate Matter in Lagos

Adebola Odu-Onikosi^1,2, Paul Solomon³, Philip K. Hopke^1,4

¹Clarkson University, United States of America; ²EnvironQuest Limited, Nigeria; ³PAS Environmental, LLC, United States of America; ⁴University of Rochester, United States of America

PO2: 17

Evaluation of aerosol optical properties of cooking emissions in rural East African homes

Andrea Cuesta-Mosquera¹, Thomas Müller¹, Leizel Madueno¹, Allan Mubiru², Christine Muhongerva³, Manuela van Pinxteren¹, Dominik van Pinxteren¹, Henning Kothe⁴, Mira Pöhlker¹

¹Leibniz Institute for Tropospheric Research, Leipzig, 04318, Germany; ²Atmosfair gGmbH, Berlin, 12059, Germany; ³Safer Rwanda, Kigali, P.B 7301, Rwanda; ⁴Buana e.V., Hamburg, 22767, Germany

PO2: 18

Optical and Aerodynamic Properties of Solid Aerosol Aggregates in the Context of Potential Stratospheric Aerosol Injection

Zhongxia Sun¹, Sandro Vattioni², Martin Gysel-Beer¹

¹Paul Scherrer Institute PSI, Switzerland; ²ETH Zürich, Switzerland

PO2: 19

Characteristics of Black Carbon in San Luis Potosi City, Mexico.

Valter Armando Barrera Lopez¹, Juan Pablo Lopez², Guadalupe Galindo³

¹UASLP, Mexico; ²IMAREC, UASLP, Mexico; ³CIACYT, UASLP, Mexico

PO2: 20

Unraveling the Role of PAHs in Shaping Primary and Secondary Brown Carbon Absorption in Eastern India's Semi-Urban Atmosphere

Prerna Thapliyal¹, Apoorvi Sharma¹, Ashish Soni², Pratibha Vishwakarma¹, Tarun Gupta¹

¹Indian Institute of Technology, Kanpur, India; ²Indian Institute of Tropical Meteorology, Pune, India

PO2: 21

Wintertime aerosol chemical composition over the Arabian Sea based on shipboard collected aerosols: Implication to surface water biogeochemical processes

Garima Shukla^1,2, Ashwini Kumar^1,2

¹1CSIR-National Institute of Oceanography, Dona Paula, Goa, 403004, India; ²2Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India

PO2: 22

Spatial and Seasonal Variation in Chemical Composition of Urban Residential Outdoor PM2.5 across four cities in India

Rajdeep Singh, Vinayak Sahota, Sonali Borse, Akshay Kumar, Harish C. Phuleria

Indian Institute of Technology Bombay, India

PO2: 23

Multiphase Aerosol-Cloud Chemistry and Secondary Aerosol Formation from α-pinene

Laurie Anne Novák¹, Jinglan Fu^2,4, Willem S. J. Kroese³, Juliane Fry¹, Maarten Krol^1,3

¹Wageningen University & Research, The Netherlands; ²Center for Isotope Research, Rijksuniverstiteit Groningen, The Netherlands; ³Institute for Marine and Atmospheric Research Utrecht, Utrecht University, The Netherlands; ⁴Institute of Meteorology and Climate Research-Atmospheric Aerosol Research, Karlsruhe institute of Technology, Germany

PO2: 24

On-line speciation of glyoxal multiphase reactions on deliquesced ammonium sulfate particles

Anne Monod¹, Nicolas Brun¹, Anil Kumar Mandariya², Junteng Wu³, Jian Xu¹, Manon Rocco¹, Laurent Poulain⁴, Mathieu Cazaunau², Antonin Berge², Edouard Pangui², Brice Temime-Roussel¹, Bénédicte Picquet-Varrault², Jean-Louis Clément¹, Aline Gratien², Liang Wen⁴, Thomas Schaefer⁴, Andreas Tilgner⁴, Hartmut Herrmann⁴, Jean-François Doussin²

¹Aix-Marseille University, France; ²Université Paris Est Créteil and Université Paris Cité, CNRS, LISA, Créteil, France; ³Université Clermont Auvergne, CNRS, OPGC, LaMP, Clermont Ferrand, France; ⁴Leibniz Institute for Tropospheric Research (TROPOS) Leipzig, Germany

PO2: 25

Playing with bricks: speciation models to depict the interaction among water-soluble components of the atmospheric particulate matter

Stefano Bertinetti¹, Matteo Marafante¹, Luca Carena¹, Clemente Bretti², Demetrio Milea², Anna Annibaldi³, Cristina Truzzi³, Silvia Illuminati³, Debora Fabbri¹, Davide Vione¹, Milena Sacco⁴, Mery Malandrino¹, Silvia Berto¹

¹1Department of Chemistry, University of Turin, Turin, 10125, Italy; ²Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche e Ambientali, CHIBIOFARAM, Università degli Studi di Messina, Messina, 98168, Italy; ³Department of Life and Environmental Sciences, Università Politecnica delle Marche, Ancona, 60131, Italy; ⁴Regional Environmental Protection Agency of Piedmont, Turin, 10135, Italy

PO2: 26

Results from the first chemical ionization mass spectrometry Intercomparison Workshop at the TROPOS twin chamber setup in ACTRIS CiGas

Peter Mettke¹, Nina Sarnela², Falk Mothes¹, Hartmut Herrmann¹

¹Atmospheric Chemistry Department (ACD), Leibniz Institute for Tropospheric Research, Germany (TROPOS); ²Institute for Atmospheric and Earth System Research (INAR) / Physics, University of Helsinki

PO2: 27

Concentrations of Key Atmospheric Pollutants: BC and PAHs in PM2.5 – Levels, Meteorological Influence, Correlation with Other Pollutants and Health Aspects

Lenia-Nezaet de Brito Gonsalvesh¹, Nadya Neykova², Blagorodka Veleva², Stela Naydenova¹, Anife Veli¹, Zilya Mustafa¹, Elena Hristova²

¹Burgas State University Prof. Dr Asen Zlatarov, Bulgaria; ²National Institute of Meteorology and Hydrology, Sofia, Bulgaria

PO2: 28

Effects of hydroperoxy radical heterogeneous loss on the summertime ozone formation in the North China Plain

Ruonan Wang

Institute of Earth Environment, Chinese Academy of Sciences, China, People's Republic of

PO2: 29

Modelling for atmospheric radicals and oxidants on PM2.5 and O3 episodic and non-episodic days in an urban area of Taiwan

Shi-Ya Tang, Li-Hao Young

China Medical University, Taiwan

PO2: 30

Photosensitization Induced by Carbonyl Compounds and Its Role in Secondary Aerosols Formation

Ruifeng Zhang, Chak Chan

King Abdullah University of Science and Technology, Saudi Arabia

PO2: 31

Fast generation of peroxides via particulate photosensitization

Zhancong Liang, Liyuan Zhou, Chak K. Chan

King Abdullah University of Science and Technology, Saudi Arabia

PO2: 32

Wildfire chromophores enhance the production of sulfate radicals in Ammonium Sulfate photochemistry

Angelina Petersen¹, Zonghao Luo², Alair Wong¹, Ruiyang Xiao², Tran Nguyen¹

¹University of California, Davis, United States of America; ²Central South University, Changsha, China

PO2: 33

Numerical Analysis of Fuel Injection Control and Its Impact on Aerosol Formation and Transport in Urban Canyons and Open Environments

Mojtaba Bezaatpour¹, Mehrdad Nazemian², Miikka Dal Maso¹, Matti Rissanen^1,3

¹Tampere University, Finland; ²Sahand University of Technology; ³University of Helsinki

PO2: 34

Dust contribution in the performance evaluation of the FARM dispersion model

Annalisa Tanzarella¹, Angela Morabito¹, Ilenia Schipa¹, Francesca Intini¹, Tiziano Pastore¹, Stefano Spagnolo¹, Nicola Pepe², Paola Radice², Roberto Primerano¹, Vincenzo Campanaro¹

¹ARPA Puglia, Italy; ²ARIANET srl

PO2: 35

Impact of Traffic Emissions on Near-Road Air Quality in the Presence of a Noise Barrier: A PALM-LES Simulation

Ali Kooh andaz¹, Xiaoyu Li², Ville Silvonen¹, Jarkko Niemi³, Juan Andres Casquero-Vera², Sami D. Harni⁴, Leena Järvi^2,5, Topi Rönkkö¹, Anu Kousa³, Tommy Chan², Tuukka Petäjä², Hilkka Timonen⁴, Miikka Dal Maso¹

¹Aerosol Physics Laboratory, Physics Unit, Tampere University, Tampere, Finland; ²Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland; ³Helsinki Region Environmental Services Authority HSY, Ilmalantori 1, FIN-00240, Helsinki, Finland; ⁴Atmospheric Composition Research, Finnish Meteorological Institute, PL 503, FIN-00101 Helsinki, Finland; ⁵Helsinki Institute of Sustainability Science, Faculty of Science, University of Helsinki, Helsinki, Finland

PO2: 36

Radiative Cooling in New York/New Jersey Metropolitan Areas by Wildfire Particulate Matter

Georgios A. Kelesidis^1,2, Constantinos Moularas^1,2, Hooman Parhizkar², Leonardo Calderon³, Irini Tsiodra⁴, Nikolaos Mihalopoulos^4,5, Marios Bruno Korras-Carraca⁶, Nikolaos Hatzianastassiou⁶, Panos G. Georgopoulos², Jose G. Cedeño Laurent², Philip Demokritou²

¹Faculty of Aerospace Engineering, Delft University of Technology, Delft, 2629 HS, The Netherlands; ²School of Public Health, Rutgers University, Piscataway, NJ 08854, USA; ³School of Environmental and Biological Sciences, Rutgers University, New Brunswick, NJ 08901, USA; ⁴Institute for Environmental Research and Sustainable Development, National Observatory of Athens, Athens, 15236, Greece; ⁵Department of Chemistry, University of Crete, Heraklion, 71003, Greece; ⁶Department of Physics, University of Ioannina, Ioannina, 45110, Greece

PO2: 37

Monitoring and Analysis of Black Carbon in different cities in Mexico

Valter Armando Barrera Lopez

UASLP, Mexico

PO2: 38

Aerosol Model-Measurement Comparison for Improving the Prediction of Aircraft Engine Deterioration

Erik Seume¹, Barbara Harm-Altstädter², Lutz Bretschneider², Jan Göing¹

¹Institute of Jet Propulsion and Turbomachinery, Technische Universität Braunschweig, Germany; ²Institute of Flight Guidance, Technische Universität Braunschweig, Germany

PO2: 39

Desert dust exposure in sub-Saharan Africa: the case of the city of Cotonou, Benin

Marcos Migan^1,2, Fabrice Cazier³, Nathalie Verbrugghe⁴, Anthony Verdin¹, Fresnel Boris Cachon², Marc Fadel¹, Aurore Dega², Aaron Kakpo², Loïc Adonouhoue², Firmin Sagbo², Dorothee Dewaele³, Nour Jaber¹, Faustin Aissi¹, Ulrich Patinvoh⁵, Gildas Agodokpessi⁵, Ménonvè Cynthia Atindehou², Arnauld Fiogbe⁵, Richard Lalou⁶, Dominique Courcot¹

¹Université du Littoral Côte d'Opale (ULCO), France; ²Université d’Abomey-Calavi, LBBM, Benin; ³Université du Littoral Côte d'Opale (ULCO), CCM, France; ⁴Université du Littoral Côte d'Opale (ULCO), PFT, France; ⁵Centre National Hospitalier et Universitaire de Pneumo Phtisiologie de Cotonou (CNHUPP-C), Benin; ⁶Université Paris Cité, UMR 261 – MERIT, Paris

PO2: 40

Effects of Urban Form on PM2.5 Concentration Using Explanatory Machine Learning

Mehri Davtalab, Steigvilė Byčenkienė

SRI Center for Physical Sciences and Technology (FTMC), Lithuania

PO2: 41

Investigating the vertical distribution of sporadic appearance of ultrafine aerosol particles emitted at the airport FRA

Malte Schuchard¹, Anna Voß¹, Konrad Bärfuss¹, Sven Bollmann¹, Lutz Bretschneider¹, Markus Hermann², Frank Holzäpfel⁴, Ralf Käthner², Astrid Lampert¹, Falk Pätzold¹, Andreas Schlerf¹, Steffen Schmitt³, Barbara Harm-Altstädter¹

¹Institute of Flight Guidance, Technische Universität Braunschweig, Braunschweig, 38108, Germany; ²Department of Atmospheric Microphysics, Leibniz Institute for Tropospheric Research (TROPOS), 04318, Leipzig, Germany; ³Institute of Combustion Technology, German Aerospace Center (DLR), Stuttgart, 70569, Germany; ⁴Institute of Atmospheric Physics, German Aerospace Center (DLR), Oberpfaffenhofen-Wessling, 82234, Germany

PO2: 42

Saharan Dust Transport in the Mediterranean: Circulation Patterns, Air Quality Monitoring, and Chemical Composition Analysis

Francesca Calastrini^1,3, Andrea Orlandi², Gianni Messeri^1,3, Riccardo Benedetti³, Alessandro Zaldei¹, Carolina Vagnoli¹, Beniamino Gioli¹, Giovanni Gualtieri¹, Tommaso Giordano¹, Simone Putzolu¹, Silvia Becagli⁴, Rita Traversi⁴, Mirko Severi⁴, Silvia Nava⁵, Franco Lucarelli⁶

¹Istituto di BioEconomia IBE-CNR, 50145 Florence, Italy; ²ENEA, SSPT-CLIMAR, 40121 Bologna, Italy; ³Consorzio LaMMa, 50019 Sesto Fiorentino, Florence, Italy; ⁴Department of Chemistry, University of Florence, 50019 Sesto Fiorentino, Florence, Italy; ⁵I.N.F.N., Florence, Via Sansone 1, 50019 Sesto F.no, Florence, Italy; ⁶Department of Physics and Astronomy, University of Florence, 50019 Sesto F.no, Florence, Italy

PO2: 43

Dust storm dynamics: a study using HYSPLIT and WRF to analyze dust transport patterns in León, Spain

Evi Becerra-Acosta¹, Ana I. Calvo¹, Josue M. Polanco-Martinez², Carlos Blanco-Alegre¹, Lucrecia Bile Osa-Akara¹, Darrel Baumgardner³, Roberto Fraile¹

¹University of Leon, Spain; ²University of Salamanca; ³Droplet Measurement Technologies

PO2: 44

The Spectroscopic Multiparameter Particle Analyzer

Darrel Baumgardner

Droplet Measurement Technologies, United States of America

PO2: 45

Enhancing Air Quality Governance: Results from LIFE SIRIUS in Rome

Maria Agostina Frezzini, Donatella Occhiuto, Laura Bennati, Arianna Marinelli, Alessandro Di Giosa

Enviromental Protection Agency of Lazio Region ARPA Lazio, Italy

PO2: 46

High-Resolution Modeling of Air Pollution in Poland: Evaluation of EMEP4PL and uEMEP for PM2.5, NO2, and O3

Kinga Areta Wisniewska¹, Małgorzata Werner¹, Bruce R. Denby², Qing Mu³, Maciej Kryza¹

¹University of Wrocław; ²Norwegian Meteorological Institute; ³Xi’an Jiaotong-Liverpool University

PO2: 47

Impacts of urban expansion on meteorology and air quality in North China Plain during wintertime: A case study

Qian Jiang

Institute of earth environment, Chinese Academy of Sciences, China, People's Republic of

PO2: 48

Microscale impact assessment of particulate matter emissions from a large steel plant in Taranto (Italy)

Francesca Intini¹, Angela Morabito¹, Annalisa Tanzarella¹, Ilenia Schipa¹, Gianni Tinarelli², Daniela Barbero², Umberto Giuriato², Tiziano Pastore¹, Vincenzo Campanaro¹

¹ARPA PUGLIA, Italy; ²ARIANET Srl, via B. Crespi 57, Milan, 20159, Italy

PO2: 49

Preliminary Analysis of Aerosol Size Distribution at Col Margherita

Claudia Rossetti¹, Eleonora Favaro², Elena Barbaro¹, Matteo Feltracco², Andrea Gambaro², Lorenzo Giovannini³, Giorgio Doglioni³, Massimo Cassiani^3,4, Marco Di Paolantonio⁵, Paolo Di Girolamo⁶, Akanksha Rajput³, Dino Zardi³, Warren Lee Raymond Cairns¹

¹Institute for Polar Sciences, National Research Council (CNR-ISP), Venice, Italy; ²Department of Environmental Sciences, Informatics and Statistics, Ca’ Foscari University of Venice, Italy.; ³Department of Civil Environmental and Mechanical Engineering (DICAM), University of Trento, Trento, Italy.; ⁴Stiftelsen NILU, Kjeller, Norway; ⁵Institute of Marine Sciences, National Research Council (CNR-ISMAR), Italy; ⁶Department of Health Sciences (DISS), University of Basilicata, Potenza, Italy

PO2: 50

Investigating drivers of recent reductions in PM2.5 concentrations across the UK

Daniel Bryant^1,2, Alastair Lewis^1,2, Sarah Moller^1,2

¹Wolfson Atmospheric Chemistry Laboratories, University of York, Heslington, York, UK; ²National Centre for Atmospheric Science, University of York, Heslington, York, UK

PO2: 51

Characterization of Secondary Organic Aerosols formed in Atmospheric Simulation Chambers and Flow Tube with Liquid Chromatography - High-Resolution Mass Spectrometry

Nicolas Houzel¹, Paul Genevray¹, Fatima Al Ali^1,2, Lingshuo Meng^1,2, Florence Jacob², Fabrice Cazier¹, Manolis Romanias², Alexandre Tomas², Cécile Coeur¹

¹Université du Littoral Côte d'Opale, France; ²IMT Nord europe, Institut Mines-Télécom

PO2: 52

Urban vs. Suburban PM10 Organic Aerosols fingerprints in an Eastern Mediterranean medium-sized coastal city

Evangelos Stergiou^1,2, Anastasia Chrysovalantou Chatziioannou¹, Spiros A. Pergantis¹, Maria Kanakidou^1,2,3

¹ECPL, Department of Chemistry, University of Crete; ²CSTACC, ICE-HT, FORTH; ³LAMOS, Institute of Environmental Physics, University of Bremen

PO2: 53

Organic and emerging pollutants in indoor suspended particles hospitals before, during and after SARS-CoV2 pandemic.

Paola Romagnoli, Francesca Vichi, Catia Balducci, Angelo Cecinato

CNR, Italy

PO2: 54

Primary emissions and secondary organic aerosol production potential of a large automobile fleet focusing on cold starts at an underground parking facility

Christos Kaltsonoudis², Damianos Pavlidis^1,2, Angeliki Matrali^1,2, Christina N. Vasilakopoulou², Silas Androulakis^1,2, Christina Christopoulou^1,2, Georgia A. Argyropoulou^1,2, Katerina Seitanidi², Yanfang Chen³, A. S. H. Prevot³, Spyros N. Pandis^1,2

¹Department of Chemical Engineering, University of Patras, Patras, 26504, Greece; ²Institute of Chemical Engineering Sciences (FORTH/ICE-HT), Patras, 26504, Greece; ³Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, 5232, Switzerland

PO2: 55

Stability of clusters of highly oxygenated organic molecules from alpha-pinene ozonolysis and sulphuric acid oxidation.

Heikki Junninen¹, Paap Koemets^1,6, Eva Sommer², Ruth Konrat³, Sander Mirme^1,6, Kalju Tamme¹, Paul Winkler³, Manjula Canagaratna⁴, Doug Worsnop⁵

¹University of Tartu, Estonia; ²CERN, European Organisation for Nuclear Research; ³University of Vienna, Austria; ⁴Aerodyne Research Inc; ⁵University of Helsinki; ⁶Airel OÜ

PO2: 56

Chemical aerosol composition of biomass burning emissions exposed to daytime and nighttime oxidation conditions in the EUPHORE chambers

Mila Ródenas¹, Rubén Soler¹, Teresa Vera¹, Balint Alfoldy², Asta Gregorič^2,3, Martin Rigler¹, Esther Borrás¹, Eduardo Yubero⁴, Javier Crespo⁴, Tatiana Gómez¹, Maria L. Martinez¹, Amalia Muñoz¹

¹EUPHORE Laboratories, Fundación CEAM, Paterna, 46980, Spain; ²Aerosol d.o.o., Ljubljana, SI-1000, Slovenia; ³Center for Atmospheric Research, University of Nova Gorica, Ajdovščina, Slovenia; ⁴AtmosphericPollution Laboratory (LCA-UMH), Miguel Hernández University, Elche, 03202, Spain

PO2: 57

Aerosol composition, sources, and their relation to meteorology on the highest mountain in southwest Germany

Harald Saathoff¹, Yanxia Li¹, Alexander Böhmländer¹, Milin Sebastian¹, Ottmar Möhler¹, Franziska Vogel², Hengheng Zhang³, Thomas Leisner¹

¹Karlsruhe Institute of Technology, IMKAAF, Germany; ²CNR-ISAC, Bologna, Italy; ³Research Institute for Applied Mechanics, Kyushu University, Fukuoka, Japan

PO2: 58

ATMOMACCS: Predicting atmospheric compound properties.

Linus Emil Elias Lind¹, Hilda Sandström¹, Patrick Rinke^1,2,3

¹Department of Applied Physics, Aalto University, Espoo, 02150, Finland; ²Physics department, School of Natural Sciences, Technical University of Munich, Garching, 85748, Germany; ³Atomistic Modelling Center, Munich Data Science Institute, Technical University of Munich, Garching, 85748, Germany

PO2: 59

Cheating the path to new molecular tracers: gas-phase ammonia and organic aerosol-driven reactivity

Luca D'Angelo, Florian Ungeheuer, Jialiang Ma, Julia David, Alexander Lucas Vogel

Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany

PO2: 60

Comparative Analysis of Chemical Composition and Oxidative Potential of PM1.0 and PM2.5 in Seosan, Republic of Korea

Chaehyeong Park, Seoyeong Choe, Hajeong Jeon, Dong-Hoon Ko, Myoungki Song, Geun-Hye Yu, Min-Suk Bae

Mokpo National University, Korea, Republic of (South Korea)

PO2: 61

Composition and sources of organic particles and vapours in an urban location during wintertime

Angeliki Matrali^1,2, Christos Kaltsonoudis², Maria Georgopoulou^1,2, Andreas Aktypis², Georgia Argyropoulou^1,2, Christina N. Vasilakopoulou², Katerina Seitanidi², Spyros N. Pandis^1,2

¹Department of Chemical Engineering, University of Patras, Patras, Greece; ²Institute for Chemical Engineering Sciences, ICEHT/FORTH, Patras, Greece

PO2: 62

Identification of fine particulate matter and Gaseous Pollution Sources Contributing to Oxidative Potential in a National Petrochemical Industrial Complex: Based on the source apportionment Model

Seoyeong Choe, Chaehyeong Park, Hajeong Jeon, Dong-Hoon Ko, Myoungki Song, Geun-Hye Yu, Min-Suk Bae

Mokpo National University, Korea, Republic of (South Korea)

PO2: 63

Impact of Agricultural Activities on PM2.5 Emissions and Oxidative Potential in Rural Areas of South Korea

Hajeong Jeon, Chaehyeong Park, Seoyeong Choe, Dong-Hoon Ko, Myoungki Song, Geun-Hye Yu, Min-Suk Bae

Mokpo National University, Korea, Republic of (South Korea)

PO2: 64

Long-Range Transport and Airborne Measurements of VOCs Using Proton-Transfer-Reaction Mass Spectrometry Validated Against GC-MS-Canister Data During the ASIA-AQ Campaign

Dong-Hoo Ko, Sea-Ho Oh, Chaehyeong Park, Seoyeong Choe, Hajeong Jeon, Myoungki Song, Geun-Hye Yu, Min-Suk Bae

Mokpo National University, Korea, Republic of (South Korea)

PO2: 65

Monitoring of Nitrated Polycyclic Aromatic Hydrocarbons in the Czech Republic

Zdeňka Rohanová, Irina Nikolova, Jiří Kovářík

Czech Hydrometeorological Institute, Czech Republic

PO2: 66

Saccharides study in aerosol during wintertime over urban sites in Central Europe and Indo-Gangetic Plain

Pradhi Rajeev¹, Tarun Gupta², Leszek Marynowski³

¹Indian Institute of Technology Patna, India; ²Indian Institute of Technology Kanpur, India; ³University of Silesia in Katowice

PO2: 67

The impact of open burning of rice straw on PM concentrations and tracer components in eastern Spain

Nuria Galindo

Miguel Hernández University of Elche, Spain

PO2: 68

Long-term monitoring of carbonaceous aerosols in the UK: Insights form national air quality monitoring network

Gyanesh K Singh, Krzysztof Ciupek, David M Butterfield, Chris C Robins, Douglas Walker, Andrew S Brown

National Physical Laboratory, UK, United Kingdom

PO2: 69

Nighttime vertical distribution of black and brown carbon from biomass combustion during traditional Burning of the Witches in Central Europe

Saliou Mbengue¹, Petr Vodička², Kateřina Komínková^1,3, Jaroslav Schwarz², Naděžda Zíková², Radek Lhotka², Lenka Suchánková^1,2,4, Laurence Windell^2,5, Vlastimil Hanuš¹, Gabriela Vítková¹, Roman Prokeš^1,4, Adéla Holubová Šmejkalová⁶, Petra Pokorná², Jakub Ondráček², Vladimír Ždímal²

¹Global Change Research Institute of the Czech Academy of Sciences, Brno, 60300, Czech Republic; ²Institute of Chemical Process Fundamentals of the Czech Academy of Sciences, Prague, 16500, Czech Republic; ³Department of Geography, Faculty of Sciences, Masaryk University, Brno, 60200, Czech Republic; ⁴RECETOX, Faculty of Science, Masaryk University, Brno, 61137, Czech Republic; ⁵Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, 5232, Switzerland; ⁶Czech Hydrometeorological Institute, Košetice Observatory, Košetice, 39424, Czech Republic

PO2: 70

Cross molecular chemical characterization of primary and aged logwood stove emissions using online mass spectrometry

Yamina Allouche¹, Rachel Gemayel¹, Sergio Harb¹, Jérôme Beaumont¹, Serge Collet¹, Ali Hnaino¹, Nicolas Karoski¹, Vincent Fuvel¹, Jason Bardou¹, Adrien Dermigny¹, Laurent Meunier¹, Théo Claude¹, Robin Aujay-Plouzeau¹, Céline Ferret¹, Nathalie Bocquet¹, Andrea Baccarini², Nikunj Dudani², Pabrito Ray², Luka Drinovec^3,4, Grisa Mocnik^3,4, Brice Temime-Roussel⁵, Barbara D'Anna⁵, Alexandre Albinet¹

¹INERIS, Parc Technologique Alata, Verneuil en Halatte, 60550, France; ²Aerospec, EPFL, Lausanne, 1015, Switzerland; ³Haze Instruments, Ljubljana, Slovenia; ⁴University of Nova Gorica, Nova Gorica, Slovenia; ⁵Aix Marseille Univ., CNRS, LCE, Marseille, France

PO2: 71

Source attribution of carbonaceous fraction of particulate matter in the urban atmosphere based on chemical composition

Katarzyna Styszko¹, Alicja Skiba², Anna Tobler³, Roberto Casotto⁴, Zbigniew Gorczyca², Lucyna Samek², Dariusz Wideł⁵, Mirosław Zimnoch², Anne Kasper-Giebl⁶, Jay G. Slowik³, Kaspar R. Daellenbach³, Andre S. H. Prevot³, Kazimierz Różański²

¹AGH University of Krakow, Faculty of Energy and Fuels, Krakow, Poland.; ²AGH University of Krakow, Faculty of Physics and Applied Computer Science, Krakow, Poland; ³Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen-PSI, Switzerland; ⁴Datalystica Ltd, Park innovAARE, 5234 Villigen, Switzerland; ⁵Jan Kochanowski University, Institute of Chemistry, Uniwersytecka 7 Street, 25-406 Kielce, Poland; ⁶Institute for Chemical Technologies and Analytics, TU-Wien, 1060 Vienna, Austria

PO2: 72

Carbon content in PM10 and PM2.5 at a rural background monitoring site in the hinterland of Zadar, Croatia

Ranka Godec, Helena Prskalo, Suzana Sopčić, Ivan Bešlić, Gordana Pehnec

Institute for Medical Research and Occupational Health, Croatia

PO2: 73

Carbonaceous Particles from Gasoline and Diesel Vehicles' Exhaust: Chemical and Isotopic Composition

Agne Masalaite¹, Rupert Holzinger², Inga Garbariene¹, Laurynas Bucinskas¹, Andrius Garbaras¹, Ulrike Dusek³

¹State research institute Center for Physical Sciences and Technology, Vilnius, Lithuania; ²Institute for Marine and Atmospheric research Utrecht (IMAU), Utrecht University, The Netherlands; ³Centre for Isotope Research (CIO), University of Groningen, Groningen, The Netherlands

PO2: 74

Characterization of endocrine disruptors and other organic compounds in gas and particles from outdoor and indoor air in Northern France

Marc Fadel¹, Peggy Desmettres², Léa Habib¹, Jean-Pierre El Morr¹, Carine Bail³, Yann Landkocz^1,3, Dominique Courcot¹, Frédéric Ledoux¹

¹Unité de Chimie Environnementale et Interactions sur le Vivant, University of Littoral Côte d′Opale, Dunkirk, France; ²Atmo Hauts de France, Lille, France; ³Observatoire local de santé, Dunkirk, France

PO2: 75

Mass concentrations of carbonaceous species in PM2.5 between seasons at different monitoring sites

Helena Prskalo, Ranka Godec, Valentina Gluščić, Ivona Mikić, Ivan Bešlić

Institute for Medical Research and Occupational Health, Division of Environmental Hygiene, Croatia

PO2: 76

Multi-Seasonal Chemical Characterization of Organic Aerosols at Gruvebadet Laboratory

Diego Fellin^1,2, Gregory Vandergrift³, Swarup China³, Zhenli Joy Lai³, Nurun Nahar Lata³, Zezhen Cheng³, Claudio Mazzoleni⁴, Naruki Hiranuma⁵, Mauro Mazzola², Elena Barbaro^1,2, Andrea Gambaro¹, Stefania Gilardoni²

¹Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Italy; ²Institute of Polar Sciences, National Research Council, Italy; ³Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, WA, USA; ⁴Atmospheric Sciences Program, Michigan Technological University, MI, USA; ⁵Department of Life, Earth, and Environmental Sciences, West Texas A&M University, TX, USA

PO2: 77

Physicochemical characterization of soot emissions from combustion of jet fuel blended with pentanol

Constantinos Moularas¹, Una Trivanovic^2,3, Irini Tsiodra⁴, Kalliopi Tavernaraki⁴, Nikos Mihalopoulos^4,5, Georgios A. Kelesidis¹

¹Faculty of Aerospace Engineering, Delft University of Technology, Delft, 2629 HS, The Netherlands; ²Institute of Energy & Process Engineering, Department of Mechanical and Process Engineering, ETH Zürich, Zurich, 8092, Switzerland; ³Federal Institute of Metrology METAS, Bern-Wabern, 3003, Switzerland; ⁴Institute for Environmental Research and Sustainable Development, National Observatory of Athens, Athens, 15236, Greece; ⁵Department of Chemistry, University of Crete, Heraklion, 71003, Greece

PO2: 78

Rising Role of Secondary Organic Aerosol Amidst Emission Reductions in North China Plain

Chunshui Lin

Institute of Earth Environment, Chinese Academy of Sciences, China, People's Republic of

PO2: 79

Evaluation of automated online-GC systems for time-resolved continuous measurements of ozone precursor VOCs in laboratory and field application

Max Hell¹, Dominik van Pinxteren¹, Hartmut Herrmann¹, Susanne Bastian²

¹Leibniz Institute for Tropospheric Research, Germany; ²Saxon State Office for the Environment, Agriculture and Geology (LfULG)

PO2: 80

Automatic detection of allergenic pollen grains using the Swisens Poleno Jupiter in 2024–2025 (Poland, Wrocław)

Szymon Tomczyk¹, Małgorzata Werner¹, Małgorzata Malkiewicz¹, Karol Bubel²

¹University of Wrocław, Faculty of Earth and Environmental Sciences, Wrocław, Poland; ²Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences

PO2: 81

Characterization of a novel, mid-cost device for ambient monitoring of ultrafine particles

Una Trivanovic¹, Osnan Maragoto Rodriguez², Kevin Auderset¹, Florian Hüwe², Konstantina Vasilatou¹

¹Laboratory Particles and Aerosols, Swiss Federal Institute of Metrology METAS, 3003 Bern, Switzerland; ²nanoDUST GmbH, 63739 Aschaffenburg, Germany

PO2: 82

Comparison of ultrafine particle penetration in inertial and diffusional aerosol spectrometers: Nanocol vs. SDI2001

Maida Domat¹, Olivier Masson², François Gensdarmes²

¹University of Oviedo, Spain; ²Autorité de Sûreté Nucléaire et de Radioprotection (ASNR)

PO2: 83

An Improved Method for Measuring Cyclone Efficiency

Abhigya Devkota, Kerry Chen, Jason Olfert

University of Alberta, Canada

PO2: 84

Improving the accuracy of aerosol concentration measurements of an optical particle counter (UCASS) for balloon soundings

Sina Jost¹, Ralf Weigel¹, Konrad Kandler², Luis Valero^1,2, Jessica Girdwood^3,4, Chris Stopford³, Warren Stanley³, Luca Katharina Eichhorn¹, Christian von Glahn¹, Holger Tost¹

¹Institute for Physics of the Atmosphere, Johannes Gutenberg University, Mainz, Germany; ²Institute for Applied Geosciences, Technical University Darmstadt, Germany; ³Particle Instruments & Diagnostics Research Group, University of Hertfordshire, Hatfield, Hertfordshire, AL10 9AB, United Kingdom; ⁴National Centre for Atmospheric Science, School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester, M13 9PL, United Kingdom

PO2: 85

Systematic Investigation of CPC Counting Efficiency for Three Alternative Working Fluids and Five Particle Seed Materials Cut-Offs at 10 nm and 23 nm

Victoria Fruhmann, Martin Kupper, Helmut Krasa, Alexander Bergmann

Graz University of Technology, Austria

PO2: 86

Atomically precise determination of cluster structures

Yaochen Han, Shirong Liu, Jicheng Feng

School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China

PO2: 87

Improving the time resolution of a size scanning Particle Size Magnifier

Joonas Vanhanen¹, Joonas Purén¹, Herbert Hartl², Aki Pajunoja¹

¹Airmodus Ltd., Helsinki, 00560, Finland; ²Institute for Atmospheric and Earth System Research, Faculty of Science University of Helsinki, Helsinki, Finland

PO2: 88

Measurement of number concentration of nanoparticles in suspension using ES-DMA technique

Jaeseok Kim

Korea Research Institute of Standards and Science, Korea, Republic of (South Korea)

PO2: 89

Glassy nano-aerosol phase state and viscosity analysis using improved dual tandem differential mobility analyzer technique

Harsh Raj Mishra, Robert Groth, Branka Miljevic, Zoran Ristovski

School of Earth and Atmospheric Sciences, Queensland University of Technology, Brisbane, Australia

PO2: 90

How to quantify the uncertainty of the dilution factor of diluters with internal mixing gas preparation?

Lars Hillemann, Annett Mütze, Daniel Göhler, Stephan Gabsch, Stephan Große

Topas GmbH, Germany

PO2: 91

Spectral aerosol light absorption measurements with a self-calibrated photothermal interferometer

Alireza Moallemi, Timothy Andrew Sipkens, Daniel Poitras, Jalal Norooz Oliaee, Joel Christopher Corbin

National Research Council Canada

PO2: 92

The Fluidizer - a newly standardized method for dustiness determination

Carla Ribalta¹, Anna Pohl¹, Spyros Bezantakos², Daniela Wenzlaff¹, Kathleen De Maeyer³, Bart De Vos³, Kai-Helge Schäfer⁴, Dirk Broßell¹, Elisabeth Heunisch¹, Thomas A.J. Kuhlbusch¹

¹Federal Institute for Occupational Safety and Health (BAuA), Germany; ²The Cyprus Institute, Cyprus; ³Groep IDEWE, Belgium; ⁴TÜV Nord, Germany

PO2: 93

Use of a Particle-on-Slide Model for the Collection of Scattered Light, and Application to Multiphase Aerosols in Time-Dependent Systems

Thomas Dight, Chris Stopford, Richard S Greenway, Robert Lewis, Ricky Linforth

Particle Instrumentation and Diagnostics, School of Physics, Engineering and Computer Science, University of Hertfordshire, United Kingdom

PO2: 94

Expanded Polytetrafluoroethylene Membrane-Based Humidification System for Aerosol Light Scattering Measurements

Cade Tischer, Jonathan Linderich, James Sherman, Patrick Richardson

Appalachian State University, United States of America

PO2: 95

The VERT GPF-Retrofit Program for Cleaner Urban Mobility within the HORIZON Europe AeroSolfd Project

Lauretta Rubino, Andreas Mayer, Thomas Lutz, Jan Czerwinski, Lars Larsen

VERT Association, Switzerland

PO2: 96

Measuring NaCl with the CV-ToF-ACSM

Marije van den Born, Jan Mulder, Ulrike Dusek

Centre for Isotope Research (CIO), Energy and Sustainability Research Institute Groningen (ESRIG), University of Groningen, Groningen, the Netherlands

PO2: 97

Application of ToF-ACSM for Characterizing NR-PM1 chemical Composition at CIAO observatory in Southern Italy

Francesco Cardellicchio¹, Emilio Lapenna¹, Teresa Laurita¹, Davide Amodio¹, Antonella Buono¹, Isabella Zaccardo^1,2, Canio Colangelo¹, Gianluca Di Fiore¹, Serena Trippetta¹, Lucia Mona¹

¹National Research Council – Institute of Methodologies for Environmental Analysis (CNR-IMAA), Italy; ²Università degli Studi della Basilicata, Italy

PO2: 98

One filter at a time: development of a novel analysis workflow

Sebastian Holm^1,2, Henning Finkenzeller^1,2, Joona Mikkilä², Aleksei Shcherbinin², Matti Rissanen^3,4, Juha Kangasluoma¹

¹Institute for Atmospheric and Earth System Research/Physics, University of Helsinki; ²Karsa Ltd; ³Aerosol Physics Laboratory, Tampere University; ⁴Department of Chemistry, University of Helsinki

PO2: 99

Maximizing the output from filter sample analysis: Evolved gas analysis from thermal-optical carbon analysis (TOCA) using photoionization mass spectrometry (PIMS)

Sven Ehlert¹, Hendryk Czech^2,3, Marco Schmidt², Patrick Martens⁴, Martin Rigler⁵, Andreas Walte¹, Ralf Zimermann^2,3

¹Photonion GmbH; ²University of Rostock, Germany; ³Helmholtz Centre Munich; ⁴Desert Research Institute, Reno; ⁵Aerosol d.o.o.

PO2: 100

A new experimental Bench for Respiratory Droplet Analysis Under Varying Hygrothermal Conditions: Design and Characterization

Lyes Ait Ali Yahia, Evelyne Géhin, Thibault Perin, Cheikhouna Fall, Bilel Rahmouni

Univ Paris-Est Creteil, France

PO2: 101

Generation of aged bioaerosols in the laboratory for training machine-learning algorithms of automatic bioaerosol monitors

Tianyu Cen¹, Stefan Horrender¹, Nicolas Bruffaerts², Elizabet D’hooge², Astha Tiwari², Christina Giannakoudaki¹, Benoit Crouzy³, Elias Graf⁴, Konstantina Vasilatou¹

¹Particles and Aerosols Laboratory, Federal Institute of Metrology METAS, Bern, Switzerland; ²Mycology and Aerobiology, Sciensano, Rue J. Wytsmanstraat 14, 1050 Brussels, Belgium; ³Federal Office of Meteorology and Climatology MeteoSwiss,Chemin de l’Aérologie 1, 1530 Payerne, Switzerland; ⁴Swisens AG, Emmen, Switzerland

PO2: 102

Quantifying the Impact of Environmental Conditions and Biological Data Variability on the Robustness of Deep Learning-Based Pollen Classification Models

Christina Giannakoudaki^1,5, Stefan Horender¹, Elias Graf³, Benoît Crouzy², Sophie Erb^2,4, Julia Schmale⁴, Konstantina Vasilatou¹

¹Federal Institute of Metrology (METAS), Lindenweg 50, Bern-Wabern 3003, Switzerland; ²Federal Office of Meteorology and Climatology MeteoSwiss, 1530 Payerne, Switzerland; ³Swisens AG, 6032 Emmen, Switzerland; ⁴Environmental Remote Sensing Laboratory, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland; ⁵Extreme Environments Research Laboratory, École Polytechnique Fédérale de Lausanne, Sion, Switzerland

PO2: 103

Bioaerosol and ChAMBRe: methodologies to study the bacterial viability in different atmospheric conditions

Virginia Vernocchi¹, Marco Brunoldi^1,2, Elena Gatta², Tommaso Isolabella^1,2, Dario Massabò^1,2, Federico Mazzei^1,2, Franco Parodi¹, Paolo Prati^1,2

¹INFN - GENOVA, Italy; ²University of Genoa, Department of Physics, Italy

PO2: 104

Effects on viability, culturability and cell fragmentation of two bioaerosol generators during E. coli bacteria aerosolization

Federico Mazzei^1,2, Marco Brunoldi¹, Elena Gatta¹, Muhammad Irfan¹, Tommaso Isolabella^1,2, Dario Massabò^1,2, Franco Parodi², Virginia Vernocchi², Paolo Prati^1,2

¹Department of Physics, University of Genoa, Italy; ²INFN, Division of Genoa, Italy

PO2: 105

In situ characterization of adsorbates on aerosol nano-aggregates

Alfred Weber, Vinzent Olszok, Philipp Rembe, Annett Wollmann

Clausthal University of Technology, Germany

PO2: 106

Selective detection of aerosolised respiratory droplets in ambient air

Matjaž Malok¹, Darko Kavšek¹, Anja Pogačnik Krajnc¹, Maja Remškar^1,2

¹Jozef Stefan Institute; ²Nanotul Ltd, Slovenia

PO2: 107

Development of an online instrument for measuring the oxidative potential of atmospheric particulate matter with two complementary assays.

Albane Barbero¹, Guilhem Freche¹, Luc Piard¹, Lucile Richard¹, Takoua Mhadhbi¹, Anouk Marsal¹, Julie Camman^1,2, Mathilde Brezins^1,2, Benjamin Golly³, Jean-Luc Jaffrezo¹, Gaëlle Uzu¹

¹Univ. Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP*, IGE, 38000 Grenoble, France*Institute of Engineering and Management Univ. Grenoble Alpes; ²Aix Marseille Univ., CNRS, LCE, UMR 7376, 13331 Marseille, France; ³Univ. Savoie Mont Blanc, CNRS, LOCIE (UMR 5271), 73376, Le Bourget-du-Lac,

PO2: 108

Developing an RH-based correction for a PM2.5 low-cost sensor network

Savinda Heshani Arambawatta Lekamge, Henry Paul Oswin

Queensland University of Technology, Australia

PO2: 109

From the EU metrology projects AEROMET I & II to the HE project MI-TRAP – Reliable chemical aerosol analysis by X-ray spectrometry without calibration samples

Burkhard Beckhoff¹, Yves Kayser², Andre Waehlisch¹

¹PTB, Germany; ²MPI CEC, Germany

PO2: 110

WALL-E: A New Wall-Free Particle Evaporator for Real-Time Online Particle Composition Measurements

Imad Zgheib^1,2, Linyu Gao², Cecilie Carstens², Frederic Bourgain², Michel Dupanloup², Felipe Lopez-Hilfiker¹, Sebastien Perrier², Matthieu Riva^1,2

¹Tofwerk AG, 3645, Thun, Switzerland; ²Univ Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON, F-69626, Villeurbanne, France

PO2: 111

A New Ground-Based Spectrometer for Improved Microphysical Characterization of Aerosols and Clouds

Lea Haberstock^1,2, Almuth Neuberger^1,2, Darrel Baumgardner³, Dagen Hughes³, Ilona Riipinen^1,2, Paul Zieger^1,2

¹Department of Environmental Science, Stockholm University, Stockholm, 11418, Sweden; ²Bolin Centre for Climate Research, Stockholm, 11418, Sweden; ³Droplet Measurement Technologies, Longmont, CO, USA, 80503

PO2: 112

Fine Particulate Matter (PM) Atmospheric Pollution : Monitoring Air Quality Using Plane Tree Barks as Bio-Monitors

Nour Daaboul^1,2,3, Christine Franke¹, Laurent Alleman², Valerie Forest³

¹Center of Geosciences and Geoengeneering, Mines Paris - PSL, Fontainebleau, 77300, France; ²Centre de recherche Énergie Environnement, IMT Nord Europe, Institut Mines-Télécom, Université de Lille, 59000, Lille, France; ³Mines Saint-Etienne, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France

PO2: 113

High temporal frequency and online aerosol characterization for source apportionment evaluations. An application to a mixed urban and industrial hotspot.

Eleonora Marchetti^1,2, Marco Vecchiocattivi², Elisa Spano³, David Cappelletti¹

¹Università di Perugia, Dipartimento di Chimica, Biologia e Biotecnologie, Perugia, 06123, Italy; ²Arpa Umbria, Servizio Rete Aria, Perugia, 06121, Italy; ³Orion srl, Veggiano, 35030, Italy

PO2: 114

Investigation of DMSO-H2O mixture as working fluid for Condensation Particle Counters

Sarah Kirchhoff^1,2, Patrick Weber¹, Gerhard Steiner³, Christian Kunath³, Andreas Petzold^1,2, Ulrich Bundke¹

¹Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research – Troposphere (ICE-3), Jülich, Germany; ²Institute of Atmosphere and Environmental Research Wuppertal, Germany; ³GRIMM Aerosol Technik GmbH

PO2: 115

Optimizing UAV methodology with a low-cost sensing system for air quality monitoring in diverse environmental settings

Joana Lage^1,2, Carolina Correia¹, Susan Marta Almeida¹, Diogo Henriques³, Jens Voigtländer⁴, Sebastian Düsing⁴, Birgit Wehner⁴, Ajit Ahlawat^4,5

¹Centro de Ciências e Tecnologias Nucleares (C2TN), Instituto Superior Técnico, Universidade de Lisboa, Loures, 2695-066, Portugal; ²Faculdade de Engenharia, Universidade Lusófona de Humanidades e Tecnologias de Lisboa, Lisbon, 1749-024, Portugal; ³IN+, Center for Innovation, Technology and Policy Research, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Portugal; ⁴Atmospheric Microphysics Department, Leibniz Institute for Tropospheric Research (TROPOS), Leipzig-04318, Germany; ⁵Department of Geoscience and Remote Sensing, Delft University of Technology (TU Delft), Delft-2628 CN, The Netherlands

PO2: 116

Single particle polarization measurement for aerosol characterization and classification

Dominic Rothenfluh, Yanick Zeder, Philipp Burch, Reto Abt, Erny Niederberger, Andreas Schwendimann, Elias Graf

Swisens AG, Switzerland

PO2: 117

Implementation of a sensor network for the detection of airborne pollutants in a medium-sized city (In the context of the MAMELI project)

Giacomo Fanti¹, Andrea Spinazzè², Andrea Cattaneo², Ester Luconi¹, Elia Biganzoli^3,4, Valentina Bollati^1,3

¹Department of Clinical Sciences and Community Health, University of Milan, Italy; ²Department Science and High Technology, University of Insubria, Italy; ³INES (Institute of Epigenetics for Smiles), University of Milan, Italy; ⁴Department of Biomedical and Clinical Sciences, University of Milan, Italy

PO2: 118

A novel approach for the determination of Total Carbon, Organic Carbon, and Elemental Carbon with Aerosol Magee Scientific Carbonaceous Aerosol Speciation System CASS

Klemen Kunstelj¹, Matic Ivancic¹, Asta Gregoric^1,2, Gasper Lavric¹, Balint Alfoldy¹, Irena Jezek Brecelj¹, Martin Rigler¹

¹Aerosol d.o.o., Slovenia; ²Centre for Atmospheric Research, University of Nova Gorica, Slovenia

PO2: 120

Understanding Indoor Air Quality Under Various Ventilation Strategies Using Low-Cost Sensors in a Future Home

Navaneeth Meena Thamban¹, Thomas J. Bannan¹, Grant Henshaw², Richard Fitton², William Swan², Rongrong Wu¹, Ujjawal Arora¹, Gordon McFiggans¹

¹Department of Earth and Environmental Science, The University of Manchester, M13 9PS, United Kingdom; ²Energy House 2.0, University of Salford, Salford, M6 6PU, United Kingdom

PO2: 121

Assessing Air Pollution in Irish Towns using a Low-Cost Sensor Network

Shona O'Sullivan¹, Niall O'Sullivan¹, Vaios Moschos², Kirsten N. Fossum², Darius Ceburnis², Jurgita Ovadnevaite², John Wenger¹, Stig Hellebust¹

¹University College Cork, Ireland; ²University of Galway, Ireland

PO2: 122

Low cost sensors network for PM and NO2 urban monitoring: initial and ongoing calibration and management

Davide Gallione¹, Nicole Mastromatteo¹, Davide Bertoni⁴, Saverio De Vito⁵, Grazia Fattoruso⁵, Sofia Fellini¹, Silvia Ferrarese⁴, Pietro Salizzoni², Silvia Trini Castelli³, Marina Clerico¹

¹Department of Environment, Land and Infrastructure Engineering, Politecnico di Torino, Torino, 10129, Italy; ²Laboratoire de Mécanique des Fluides et d’Acoustique, Université de Lyon, Ecole Centrale de Lyon, INSA Lyon, Université Claude Bernard Lyon I, Ecully, 69134, France; ³Institute of Atmospheric Sciences and Climate, CNR, Torino, 10133, Italy; ⁴Department of Physics, University of Turin, Torino, 10125, Italy; ⁵ENEA RC-Portici, TERIN-SII-EDS, 80055 Portici, Italy

PO2: 123

A Source Specific Calibration of Low-Cost Air Quality Sensors Using Machine Learning and Emission Inventories: A Case Study in Fianarantsoa, Madagascar

Rajat Sharma, Erwann Rayssac, Andry Razakamanantsoa, Agnès Jullien

University Gustave Eiffel, France

PO2: 124

Aerosol monitoring on commercial ships and private sailing boats

Laura Köhler, Lena Pünter, Andreas Herber

Alfred Wegener Institute, Germany

PO2: 125

Evaluating the performance of AE51 and MA200 micro-aethalometers during bicycle-mounted field deployment in city streets

Valeria Paola Mardoñez Balderrama¹, Laura Renzi¹, Luca Boniardi², Marco Zanatta¹, Alessandro Bigi³, Ferdinando Pasqualini¹, Cristina Colombi⁴, Angela Marinoni¹

¹Institute for Atmospheric Sciences and Climate, National Research Council of Italy, CNR-ISAC, Italy; ²EPIGET Lab, Department of Clinical Science and Community Health, Dipartimento di Eccellenza 2023-2027, Università degli Studi di Milano; ³Dipartimento di Ingegneria 'Enzo Ferrari', University of Modena and Reggio Emilia,; ⁴UOC Qualità dell’Aria, Agenzia Regionale Protezione Ambiente (ARPA) Lombardia

PO2: 126

Evaluating the performance of the low-cost black carbon sensor bcMeter at an urban background site

Andrea Doldi¹, Luca Pagliarulo¹, Ezio Bolzacchini¹, Luca Ferrero¹, Steffen Freitag², Lena Große Schute², Klara Junk², Ana Maria Todea³, Christof Asbach³

¹Department of Earth and Environmental Sciences, Università degli Studi di Milano-Bicocca, 20126, Milan, Italy; ²Landesamt für Natur, Umwelt und Verbraucherschutz NRW (LANUV), Essen, Germany; ³Institut für Umwelt & Energie, Technik & Analytik (IUTA) e.V., Duisburg, Germany

PO2: 127

Machine Learning-Driven PM2.5 Mapping and Hotspot Analysis Using a Large-Scale Low-Cost Sensor Network in Bihar, India

Vaishali Jain, Malay Pandey, Piyush Rai, Sachchida Nand Tripathi

Indian Institute of Technology Kanpur, India

PO2: 128

Miniaturized and Cost-Effective Electrochemical Sensors for Environmental Monitoring Using Additive Manufacturing

Abhishek Raj, Ankit Sahai, Rahul Swarup Sharma

Dayalbagh Educational Institute, India

PO2: 129

Air mass trajectory-based monitoring network for off-line atmospheric aerosol sampling

Radim Seibert, Daniel Hladký, Vladimíra Volná, Blanka Krejčí

Czech Hydrometeorological Institute, Czech Republic

PO2: 130

Air quality PM sensors performances compared to conventional measurement techniques

Francesca Vichi, Catia Balducci, Cristiana Bassani, Giulio Esposito, Antonietta Ianniello, Andrea Imperiali, Mauro Montagnoli, Mattia Perilli, Paola Romagnoli, Valerio Paolini

Consiglio Nazionale delle Ricerche - Istituto sull'Inquinamento Atmosferico (CNR-IIA), Italy

PO2: 131

Feasibility study of a low-cost miniaturised Bio-OPC for biologically relevant fluorescent particle detection

Jianghan Tian, Ricky Linforth, Thomas Dight, Robert Lewis, Warren Stanley, Paul Kaye, Chris Stopford

Wolfson Centre for Biodetection Instrumentation Research (WCBIR), University of Hertfordshire, Hatfield, Hertfordshire, AL10 9AB, United Kingdom

PO2: 132

Occupational exposure assessment using miniaturized aerosol instruments in different workplace environments

Hanna Koponen¹, Patrik Gran², Antti Karjalainen², Marko Hyttinen², Pertti Pasanen², Olli Sippula^1,3

¹Fine Particle and Aerosol Technology Laboratory, Department of Environmental and Biological Sciences, University of Eastern Finland, Finland; ²Indoor Environment and Occupational Hygiene Group, Department of Environmental and Biological Sciences, University of Eastern Finland; ³Department of Chemistry, University of Eastern Finland

PO2: 133

Selective detection of NO2 at ppb concentration with small Cu3N-based sensor

Adrien Baut, Michael Pereira Martins, Andreas Thomas Güntner

ETH Zuerich, Switzerland

PO2: 134

Using low-cost sensors for assessing human exposure and dose

Maria Triantafillaki¹, Sofia Eirini Chatoutsidou¹, Theodosios Kassandros², Stavros Cheristanidis^3,4, Serafim Kontos^3,4, Evangelos Bagkis², Kostas Karatzas², Dimitrios Melas⁴, Mihalis Lazaridis¹

¹School of Chemical and Environmental Engineering, Technical University of Crete, Greece; ²Environmental Informatics Research Group, School of Mechanical Engineering, Aristotle University of Thessaloniki, Greece; ³Center of Interdisciplinary Research and Innovation, Aristotle University of Thessaloniki, Greece; ⁴Laboratory of Atmospheric Physics, Department of Physics, Aristotle University of Thessaloniki, Greece

PO2: 135

Comparison of online (Xact) and offline (ICP-MS) measurements for trace elements in particulate matter across the EU

Petra Makorič¹, Kristina Glojek^1,2, Andres Alastuey², Xavier Querol², Andre Prevot³, Enis Omerčić⁴, Enis Krečinić⁴, Damir Smajić⁴, Almir Bijedić⁴, Ismira Ahmović⁴, Ranka Godec⁶, Gordana Pehnec⁶, Jean-Luc Jaffrezo⁵, Gaelle Uzu⁵, Sophie Darfeuil⁵, Iain Rober White¹, Katja Džepina^1,3, Griša Močnik¹

¹University of Nova Gorica, Nova Gorica, 5000 Slovenia; ²Institute of Environmental Assessment and Water Research , Barcelona, 08034, Spain; ³Paul Scherrer Institut, Villigen, 5232, Switzerland; ⁴Federal Hydrometeorological institute of BiH, Sarajevo,71000, Bosnia and Herzegovina; ⁵Institute for Environmental Geosciences, Grenoble, France; ⁶Institute for Medicinal Research and Occupational Health, Zagreb, Croatia

PO2: 136

Aerosol monitoring using different measurement platforms – bicycle, tram, tethered balloon, drone, low-cost sensors

Abdul Samad, Ulrich Vogt

University of Stuttgart, Germany

PO2: 137

Characterization of Photoacoustic Sensors for the Measurement of Soot at Different EC/OC contents and Black Carbon in Comparison to an Aethalometer

Martin Kupper¹, Ioannis Raptis², Nikos Kousias², Herbert Reingruber³, Michael Arndt³, Hafiz Hashim Imtiaz¹, Martin Penz¹, Markus Knoll¹, Helmut Krasa¹, Leonidas Ntziachristos², Alexander Bergmann¹

¹Institute of Electrical Measurement and Sensor Systems, Graz University of Technology, Graz, 8010, Austria; ²Laboratory of Applied Thermodynamics, Aristotle University, Thessaloniki, 54124, Greece; ³AVL List GmbH, Graz, 8010, Austria

PO2: 138

INITIAL MEASUREMENTS OF ATMOSPHERIC AEROSOL SIZE DISTRIBUTIONS FOR TRAINING A MACHINE LEARNING MODEL TO PREDICT AEROSOL LIQUID WATER AND CLOUD CONDENSATION NUCLEI

Aydan Phillip Gibbs¹, James Sherman¹, Lifei Yin²

¹Appalachian State University, United States of America; ²Georgia Institute of Technology, United States of America

PO2: 139

Large-scale Saharan dust episode in March-April 2024: study of desert aerosol loads over Potenza, southern Italy, using remote sensing and in-situ measurements

Teresa Laurita, Caterina Mapelli, Benedetto De Rosa, Francesco Cardellicchio, Michail Mytilinaios, Emilio Lapenna, Davide Amodio, Aldo Giunta, Canio Colangelo, Serena Trippetta, Nikolaos Papagiannopoulos, Aldo Amodeo, Lucia Mona

CNR-IMAA, Italy

PO2: 140

Ultra-high resolution identification methods of organosulfates in atmospheric nanoparticles from the CERN CLOUD chamber experiments

Mario Simon¹, Jenna E. DeVivo², Florian Ungeheuer¹, Nirvan Bhattacharyya², Markus Thoma¹, Felix Möller¹, Lucia Caudillo-Plath¹, Alexandria J. Stinchfield², Alexander L. Vogel¹, Neil M. Donahue², Joachim Curtius¹

¹Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, 60438 Frankfurt/Main, Germany; ²Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, PA 15213, USA

PO2: 141

A selective electrochemical sensor for determination of H2O2 in atmospheric samples

Daniel Alba-Elena¹, María Cerrato-Alvarez¹, Lucia Fernandez-Santiso¹, Carolina Hernandez-Labrado², Edelmira Valero³, María Teresa Baeza-Romero¹

¹Department of Physical Chemistry, School of Industrial and Aerospace Engineering, Institute of Nanoscience, Nanotechnology and Molecular Materials (Inamol), Universidad de Castilla-La Mancha (UCLM), Toledo, 45071, Spain.; ²Department of Inorganic, Organic and Biochemical Chemistry, Faculty of Environmental Sciences and Biochemistry, Inamol, UCLM, Toledo, 45071, Spain; ³Department of Physical Chemistry, Higher Technical School of Industrial Engineering, Inamol, UCLM, Albacete, 02071, Spain

PO2: 142

Comparative Study of Aerosol Optical/Chemical Characteristics by ChAMBRe and field Campaigns.

Muhammad Irfan¹, Dario Massabò^1,2, Federico Mazzei^1,2, Paolo Prati^1,2, Tommaso Isolabella^1,2, Virginia Vernocchi², Marco Bunoldi¹, Elena Gatta¹

¹Department of Physics, University of Genova, Italy; ²INFN, Genova Division

PO2: 143

Comparison of different bioaerosol sampling techniques for qualitative analysis of poultry house microbiota using next generation sequencing (NGS)

Rafal Gorny¹, Anna Lawniczek-Walczyk¹, Malgorzata Golofit-Szymczak¹, Marcin Cyprowski¹, Agata Stobnicka-Kupiec¹, Jose Luis Perez Diaz²

¹Central Institute for Labour Protection – National Research Institute, Poland; ²University of Alcalá, Spain

PO2: 144

Ensuring the worldwide equivalence of measurements of nanoparticle number concentration and charge concentration: an international comparison

Andrew Brown¹, Andreas Nowak², Jordan Tompkins¹, Mamatha Tomson¹, Anza Waheed², David Godau², Jinsang Jung³, Hyeongrae Kim³, Kevin Auderset⁴, Konstantina Vasilatou⁴, Junjie Liu⁵, Yue Liu⁵, Thomas Wu⁶, Lemuel Kuehsamy⁷, Hiromu Sakurai⁷, Yoshiko Murashima⁷, Timothy Sipkens⁸, Holger Gerwig⁹, Wilma Travnicek⁹, Sabrina Unglert⁹, Kay Weinhold¹⁰, Maik Merkel¹⁰, Ali Wiedensohler¹⁰

¹National Physical Laboratory (NPL), United Kingdom; ²Physikalisch-Technische Bundesanstalt (PTB), Germany; ³Korea Research Institute of Standards and Science (KRISS), Republic of Korea; ⁴Federal Institute of Metrology METAS, Switzerland; ⁵National Institute of Metrology, China; ⁶National Metrology Centre, A*STAR, Singapore; ⁷National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), Japan; ⁸NRC Canada; ⁹German Environment Agency (Umweltbundesamt), Germany; ¹⁰Leibniz-Institute for Tropospheric Research (TROPOS), Germany

PO2: 145

High-resolution mapping of urban ultrafine particle (UFP) and CO2 fluxes

Tobias Bitz, Stephan Weber

Technical University of Braunschweig, Germany, Institute of Geoecology, Climatology and Environmental Meteorology

PO2: 146

Field intercomparison of absorption measurements at the suburban Demokritos station in Athens

Maria Gini¹, Konstantinos Granakis¹, Stergios Vratolis¹, Evaggelia Diapouli¹, Luka Drinovec^2,3, Jesús Yus-Díez², Grisa Močnik^2,3, Tobias Hammer⁴, Thomas Müller⁵, Robin Lewis Modini⁶, Jorge Saturno⁷, Konstantina Vasilatou⁴, Konstantinos Eleftheriadis¹

¹Institute of Nuclear and Radiological Sciences & Technology, N.C.S.R. Demokritos, 15341 Athens, Greece; ²Center for Atmospheric Research, University of Nova Gorica, Nova Gorica, 5270, Slovenia; ³Haze Instruments d.o.o., Ljubljana, 1000, Slovenia; ⁴Department of Chemistry and Biology, Federal Institute of Metrology METAS, 3003 Bern, Switzerland; ⁵Atmospheric Microphysics Department, Leibniz Institute for Tropospheric Research, Leipzig, 04318, Germany; ⁶PSI Center for Energy and Environmental Sciences, Paul Scherrer Institute, 5232 Villigen, Switzerland; ⁷Physikalisch-Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig, Germany

PO2: 147

Emissions of cooking stoves and indoor air pollution levels

Henna Rinta-Kiikka¹, Juho Louhisalmi¹, Antti Karjalainen¹, Antti Väisänen¹, Marko Hyttinen¹, Nabin Subedi¹, Rejina Maskey Byanju², Sunil Prasad Lohani³, Bhupendra Das², Ramesh Sapkota², Enna Mool², Sarvesh Pandey³, Smika Sharma³, Charan Bhattarai², Bal Krishna Paudel², Jarkko Tissari¹

¹University of Eastern Finland, Finland; ²Tribhuvan University, Nepal; ³Kathmandu University, Nepal

PO2: 148

Mass concentration intercomparison of soot generated with Mini-Cast

Amel Kort¹, Guillaume PAILLOUX¹, Benoit Sagot²

¹ASNR, France; ²ESTACA, France

PO2: 149

Real-time quantification of refractory brown-carbon “tarballs” using SP2

Joel C. Corbin, Fengshan Liu, Brett Smith, Timothy A. Sipkens, Alireza Moallemi, Rym Mehri, John Liggio, Jalal Norooz Oliaee

Metrology Research Centre, National Research Council Canada, Canada

PO2: 150

QUANTIFICATION OF PURE LEVOGLUCOSAN AND PHOTOOXIDIZED LEVOGLUCOSAN AEROSOL BY AEROSOL MASS SPECTROMETRY

Liqing Hao, Aki Nissinen, Angela Buchholz, Siegfried Schobesberger, Annele Virtanen

University of Eastern Finland, Finland

PO2: 151

High-Resolution Air Quality Surveillance and Emission Source Tracking with Scanning LiDAR

Seong-min Kim¹, Kwanchul Kim¹, Gahye Lee¹, Jeong-min Park¹, Sea-ho Oh¹, Min-kyung Sung¹, Sung-Jo Kim¹, Sangcheol Kim², Kyoungho Kim³, Youndae Jung³, Ilkwon Yang³, Byung-Jin Choi³, Sungchul Choi⁴, Changgi Choi⁴

¹Advanced Institute of Convergence Technology (AICT), Korea, Republic of (South Korea); ²Sungkyunkwan University Environmental Forensic Lab.; ³Climate & Environment Division Scientific Environment Surveillance Team, Gyeonggi Provincial Government; ⁴Samwoo TCS Co., Ltd

PO2: 152

Long-time-series of high-time resolution carbonaceous aerosol measurements with different in-situ measurement techniques vs. offline analysis at two background monitoring sites in Germany.

Franziska Bachmeier¹, Michael Elsasser^1,2, Julian Rüdiger¹, Cedric Couret^1,2, Olaf Bath¹, Maik Schütze¹, Bryan Hellack¹

¹Air Quality Network, German Environment Agency, Dessau, 06844, Germany; ²Air Quality Network, German Environment Agency, Zugspitze, 82475, Germany

PO2: 153

Understanding the Generation and Removal of Primary Particulate Matter: Insights from Diesel, Oil, and Metal Emissions

Ki-Joon Jeon, Jong-Sang Youn, Yen Thi-Hoang Le

Inha University, Korea, Republic of (South Korea)

PO2: 154

Aerosol Particle Classification using Single-Particle Mass Spectrometry and Deep Learning for the Detection of Ship Emissions

Guanzhong Wang¹, Heinrich Ruser¹, Julian Schade², Seongho Jeong², Johannes Passig^3,4, Ralf Zimmermann^3,4, Günther Dollinger¹, Thomas Adam^2,4

¹Institute for Applied Physics and Measurement Technology, University of the Bundeswehr Munich; ²Institute of Chemistry and Environmental Engineering, University of the Bundeswehr Munich; ³Institute of Chemistry, Division of Analytical and Technical Chemistry, University of Rostock; ⁴Joint Mass Spectrometry Center (JMSC), Helmholtz Zentrum München

PO2: 155

Revised IMPROVE-A OC/EC Protocol Permits Gas/Diesel Analyses

Philip K. Hopke^1,2, Nicole Hyslop³

¹Clarkson University, United States of America; ²University of Rochester; ³University of California-Davis

PO2: 156

Online Oxidative Potential Measurements of Soluble and Insoluble Particulate Matter

Matthias Harder¹, Ka Yuen Cheung¹, Elisa Chamot¹, Battist Utinger¹, Steven John Campbell², Markus Kalberer¹

¹Department of Environmental Sciences, University of Basel, 4056 Basel, Switzerland; ²MRC Centre of Environment and Health, Environmental Research Group, Imperial College London, London W12 0BZ, United Kingdom

PO2: 157

Motor vehicle exhaust ultrafine particle number (PN) concentration monitor and calibration technology

Tongzhu Yu^1,2, Yixin Yang^1,2, Huaqiao Gui^1,2, Junjie Liu³, Da-Ren Chen^1,4

¹Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China; ²Environmental Research Institute of Hefei Comprehensive Science Centre, Building E, Phase IV, Electric Park, Shushan Economic and Technological Development Zone, Hefei, China; ³National Institute of Metrology, Beijing, 100029, China; ⁴Particle Laboratory, Department of Mechanical and Nuclear Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA

PO2: 158

Initial results from the first long term integrated study of aerosol liquid water content and cloud condensation nuclei in the southeastern U.S.

James Patrick Sherman¹, Pengfe Liu², Lifei Yin²

¹Appalachian State University, United States of America; ²Georgia Tech University, United States of America

PO2: 159

Electric system’s insulators: a two-year Italian study on saline pollution

Mattia Borelli¹, Giorgio Santucci de Magistris², Claudia Schianchi Betti², Chiara Andrea Lombardi¹, Andrea Bergomi¹, Paola Fermo¹, Anna Maria Toppetti³, Lucio Fialdini³, Paolo Omodeo³, Alessandra Balzarini³, Irene Gini³, Guido Pirovano³

¹University of Milan, Department of Chemistry, 20133 Milano, Italy; ²RSE S.p.A., Power Generation Technologies and Materials Department, 29122 Piacenza, Italy; ³RSE S.p.A., Sustainable Development and Energy Sources Department, 20134 Milano, Italy

PO2: 160

Assessing the impact of urban greenspaces on PM2.5 spatiotemporal variability in Riga, Latvia, via citizen science and low-cost sensors

Maria Kimourtzi¹, Georgios Grivas¹, Charalambos Chatzidiakos¹, Nora Gāgane², Sabīne Skudra², Aija Zučika², Gerid Hager³, Todd Harwell³, Inian Moorthy³, Evangelos Gerasopoulos¹

¹National Observatory of Athens, Greece; ²Riga Planning Region, Latvia; ³International Institute for Applied Systems Analysis (IIASA), Austria

PO2: 161

Improved Aerosol Eddy Covariance Fluxes using the ELPI+ (Electrical Low-Pressure Impactor): Preliminary Road Traffic and Sea-Spray Emission Fluxes

E. Douglas Nilsson¹, D. Hadden¹, P. Markuszewski^1,2, E.M. Mårtensson^1,3, K. Rosman¹

¹Department of Environmetnal Science, Stockholm University, Sweden; ²Physical Oceanography Department, Institute of Oceanology, Polish Academy of Sciences, Poland; ³Department of Earth Sciences, Uppsala University, Uppsala, Sweden

PO2: 162

Scattering of light with orbital angular momentum from singly trapped spherical particles

Matthew Hart, Shawn Divitt, Vasanthi Sivaprakasam

U.S. Naval Research Laboratory, United States of America

PO2: 163

Synergies between ACTRIS and ICOS: combination of aerosol and GHS's first campaign measurements for the characterization of atmospheric composition at CIAO observatory in Tito, Potenza, Southern Italy

Antonella Buono¹, Isabella Zaccardo^1,2, Emilio Lapenna¹, Teresa Laurita¹, Francesco Cardellicchio¹, Davide Amodio¹, Canio Colangelo¹, Gianluca Di Fiore¹, Carmela Cornacchia¹, Serena Trippetta¹, Lucia Mona¹

¹National Research Council – Institute of Methodologies for Environmental Analysis (CNR-IMAA), Contrada S. Loja, I-85050, Tito Scalo, Potenza, Italy ; ²Università degli Studi della Basilicata—Dipartimento di Ingegneria, Via dell’Ateneo Lucano, 10, I-85100, Potenza, Italy

PO2: 164

Two Motion-Correction Approaches for Turbulent Particle Flux Measurements from a Moving Vessel in the Arctic

Florian Fröhlich¹, Theresa Mathes¹, Sabine Lüchtrath¹, Philipp Oehlke², Holger Siebert², Birgit Wehner², Andreas Held¹

¹Environmental Chemistry and Air Research, Technische Universität Berlin, Berlin, Germany; ²Leibniz Institute for Tropospheric Research, Leipzig, Germany

PO2: 165

Update of the Walking in Chamber of the Polytechnic University of Catalonia for ad hoc Aerosols studies

Claudia Grossi¹, Victoria Moreno², Lluis Font², Arturo Vargas¹

¹Universitat Politècnica de Catalunya, Spain; ²Universitat Autonoma de Barcelona, Spain

PO2: 166

From Reference Materials to Real Filters: Mapping Water Content in PM Using KF Titration

Dmytro Chyzhykov^1,2, Kamila Widziewicz-Rzońca¹, Piotr Oskar Czechowski¹

¹Institute of Environmental Engineering Polish Academy of Sciences, M. Skłodowskiej-Curie 34 Str., 41-819, Zabrze, Poland; ²Silesian University of Technology, Akademicka 2a Str., 44-100, Gliwice, Poland

PO2: 167

Integrated study of δ¹³C-CH₄ and δ¹³C-CO2 signatures and aerosol properties as tracers of Wildfire Events: Insights from the ACTRIS-ICOS CIAO Observatory

Isabella Zaccardo^1,2, Antonella Buono¹, Emilio Lapenna¹, Teresa Laurita¹, Francesco Cardellicchio¹, Davide Amodio¹, Canio Colangelo¹, Gianluca Di Fiore¹, Serena Trippetta¹, Lucia Mona¹

¹CNR-IMAA, Italy; ²Università degli Studi della Basilicata (Italy)

PO2: 168

Global calibration as a possible alternative to conventional collocation calibration strategy for air quality low-cost sensor networks: Review and experience from long-term deployments

Miloš Davidović¹, Saverio De Vito², Maitane Iturrate-Garcia³, Milena Davidović⁴, Maja Jovanović¹, Danka Stojanović¹, Milena Jovašević-Stojanović¹, Shahin Tabandeh⁵

¹Vidis Centre, Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, Belgrade, 11351, Serbia; ²ENEA CR-Portici, Energy Technologies and Renewable Sources Department, Portici, 80055, Italy; ³Federal Institute of Metrology METAS, Switzerland; ⁴Faculty of Civil Engineering, University of Belgrade, Serbia; ⁵VTT MIKES, Tekniikantie 1, 02150 Espoo, Finland

PO2: 169

Challenges in interpreting black carbon data from national air quality monitoring in the UK

Krzysztof Ciupek¹, David Butterfield¹, Gyanesh Singh¹, David C. Green², Anja H. Tremper², Max Priestman², Eija Asmi³, Griša Močnik⁴, Konstantina Vasilatou⁵, Tobias Hammer⁵, Thomas Müller⁶, Joel Corbin⁷, Alejandro Keller⁸, Konstantinos Eleftheriadis⁹, Jorge Saturno¹⁰

¹Air Quality and Aerosol Metrology Group, National Physical Laboratory, United Kingdom; ²Environment Research Group, Imperial College London, United Kingdom; ³Finnish Meteorological Institute, Finland; ⁴Department of Environmental Sciences, Jozef Stefan Institute, Slovenia; ⁵Laboratory Particles and Aerosols, Federal Institute of Metrology METAS, Switzerland; ⁶Leibniz Institute for Tropospheric Research, Germany; ⁷Metrology Research Centre, National Research Council Canada, Canada; ⁸Institute of Aerosol and Sensor Technology, FHNW, Switzerland; ⁹Institute of Nuclear Technology and Radiation, NCSR Demokritos, Greece; ¹⁰Physikalisch-Technische Bundesanstalt, Germany

PO2: 170

Fast analysis tool for temporal aerosol particle size and fluorescence response data tested with indoor measurements at EAC 2024 in Tampere

Yanick Zeder, Elias Graf, Philipp Burch, Erny Niederberger

Swisens AG, Switzerland

PO2: 171

Urban Air Quality Monitoring: Measurement Campaigns and Key Findings

Daniela Wimmer¹, Johannes Murg¹, Martin Cresnoverh¹, Manfred Linke¹, Benedikt Tschofenik²

¹AVL, Austria; ²Office of the Styrian Provincial Government, Austria

PO2: 172

An open toolkit for particle size distribution analysis

Gaurav Kumar Srivastav^1,2, Janne Lampilahti³, Katrianne Lehtipalo³, Shahzad Gani^1,3

¹Centre for Atmospheric Sciences, Indian Institute of Technology Delhi, New Delhi, India.; ²India Meteorological Department, Ministry of Earth Sciences, Government of India.; ³Institute for Atmospheric and Earth System Research/Physics, University of Helsinki, Helsinki, Finland

PO2: 173

Optical Properties of Black Carbon Aerosols and Their Climate Implications in Guadalajara, Jalisco

Ernesto Reyes Villegas

Tecnologico de Monterrey, Mexico

PO2: 174

Annual variations and long-term air quality trends in a low-pollution, northern city

Veera Blankenstein¹, Ville Silvonen¹, Laura Salo¹, Ari Elsilä², Kati Skippari², H. Timonen³, Topi Rönkkö¹

¹Aerosol Physics Laboratory, Tampere University, Tampere, 33720, Finland; ²City of Tampere, Urban Environment and Infrastructure, Environmental Protection Unit, 33100, Finland; ³Atmospheric Composition Research, Finnish Meteorological Institute, Helsinki 00101, Finland

PO2: 175

Chemical, Physical and Microbial Characteristics of PM10 and PM2.5 in Urban Region of India

Shailendra Pratap Singh

Department of Chemistry, Dr. Bhimrao Ambedkar University, Agra, India.

PO2: 176

Developing an emissions inventory for metallic aerosols in London, UK

Phillip B. Punter^1,2, David Green^1,2, Anja Tremper², Sean Beevers²

¹MRC Centre for Environment and Health, Environmental Research Group, Imperial College, London, W12 0BZ; ²NIRH Health Protection Research Unit for Environmental Exposures and Health, Imperial College, London, W12 0BZ

PO2: 177

Simulation and sampling of human respiratory emission in a laboratory environment

Nico Chrisam^1,2, Kevin Maier¹, Susanna Oswald¹, Christoph Haisch²

¹Fraunhofer-Institut ITMP-IIP; ²Technical University of Munich

PO2: 178

Assessing Influenza A Virus Aerostability: Insights from a Novel Bioaerosol Technology

Kennedy Peek, Allen Haddrell, Jamie F. S. Mann, Jonathan P. Reid, Andrew D. Davidson

University of Bristol, United Kingdom

PO2: 179

Predicting the pulmonary toxicity induced by repeated exposures to a mixture of alumina nanoparticles and HClg using in vitro air-liquid interface exposures

Maëva Cherriere^1,2, Myriam Oger³, Suzanne De Araujo², Anne-Laure Favier³, Maxime Floreani¹, Anthony Lecomte¹, Franck Robidel¹, Stéphanie Rodrigues¹, Guillaume Barbier¹, Sabine François⁴, Samir Dekali², Ghislaine Lacroix¹, Thomas Loret¹

¹INERIS, MIV / TEAM, Verneuil-en-Halatte, 60550, France; ²IRBA, D.EBR / U.RTE, Brétigny-sur-Orge, 91223, France; ³IRBA, D.PRT / U.I, Brétigny-sur-Orge, 91223, France; ⁴IRBA, D.EBR / U.RAD, Brétigny-sur-Orge, 91223, France

PO2: 180

Increased PM Levels Enhance Minimum Leaf Conductance and Modify Transpiration Dynamics Through Stomatal Density Adjustments

Sombir Pannu¹, Ayaan Shaikh², Mayank Kumar³, Usha Mina⁴, Piyush Jain⁵, Vikram Singh¹

¹Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas, Delhi, 110016, New Delhi, India; ²Department of Chemical Engineering, National institute of Technology Sri Nagar, 190006, India; ³Department of Mechanical Engineering, Indian Institute of Technology Delhi, Hauz Khas, Delhi, 110016, New Delhi, India; ⁴School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India; ⁵Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853, USA

PO2: 181

Regional Mapping of Speciated Particulate Matter (PM) with the Multi-Angle Imager for Aerosols (MAIA) Satellite Investigation: Status Update and Preliminary Results from MAIA’s Surface PM Monitoring Network

Sina Hasheminassab¹, David J. Diner¹, Andrés Alastuey², Silvia Barberini³, Jeffrey Blair⁴, Sabrina Chow⁵, Ann M. Dillner⁶, Angeliki Karanasiou², Christian L’Orange⁷, Yang Liu⁵, Randall V. Martin⁸, Christopher Oxford⁸, Matteo Picchiani⁹, Vanes Poluzzi¹⁰, Xavier Querol², Giovanni Rum⁹, Jeremy A. Sarnat⁵, Hye Jung Shin¹¹

¹Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA; ²Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC), Barcelona, Spain; ³ARPA Lazio, Rome, Italy; ⁴AethLabs, San Francisco, CA, USA; ⁵Emory University, Atlanta, GA, USA; ⁶University of California–Davis, Davis, CA, USA; ⁷Colorado State University, Fort Collins, CO, USA; ⁸Washington University, St. Louis, MO, USA; ⁹Italian Space Agency, Rome, Italy; ¹⁰ARPAE Emilia-Romagna, Bologna, Italy; ¹¹National Institute of Environmental Research, Department of Air Quality Research, Incheon, South Korea

PO2: 182

Alveolar in vitro model at air-liquid-interface

Anna-Katharina Hensel¹, Henri Hakkarainen¹, Laura Mussalo², Claire Fayad², Katja Kanninen², Pasi Jalava¹

¹University of Eastern Finland, Finland; ²A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Finland

PO2: 183

In vitro dioxin- and PAH-like activities of particulate residential wood burning emissions: influence of appliances, combustion conditions and fuel composition

Ali HNAINO^1,2, Abd El Rahman EL MAIS¹, Serge COLLET¹, Ahmad EL-MASRI¹, Vincent FUVEL¹, Jason BARDOU¹, Adrien DERMIGNY¹, Selim AIT-AISSA¹, Francois BRION¹, Barbara DANNA², Alexandre ALBINET¹

¹Ineris, Parc Technologique Alata, Verneuil-en-Halatte, 60550; ²Aix Marseille Univ, CNRS, LCE, Marseille, France

PO2: 184

Oxidative Potential of PM1, PM2.5, and PM10 in Car and Tram Tunnels: Evaluating Public Health Risks

Rakshit Jakhar¹, Katarzyna Styszko¹, Lucyna Samek², Katarzyna Szramowiat-Sala¹

¹AGH University of Krakow, Faculty of Energy and Fuels, Krakow, Poland; ²AGH University of Krakow, Faculty of Physics and Applied Computer Science, Krakow, Poland

PO2: 185

Oxidative potential of urban aerosol and related elements in three simulated lung fluids

Hana Hlavackova

Czech Academy of Sciences, Czech Republic

PO2: 186

Association between particle-bound reactive oxygen species and in-vitro oxidative responses induced by traffic-related urban nanoparticles

Gianluca Di Iulio^1,2, Maurizio Gualtieri³, Matteo Rinaldi^4,5, Marco Paglione^4,5, Lorenzo Massimi⁶, Silvia Canepari⁶, Maria Agostina Frezzini⁷, Ferdinando Pasqualini², Carmina Sirignano^2,4, Francesca Costabile^2,4

¹Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, 00185, Italy; ²Institute of Atmospheric Sciences and Climate, National Research Council of Italy (CNR-ISAC), 00133 Rome, Italy; ³Department of Earth and Environmental Sciences, University of Milano-Bicocca, 26126 Milan, Italy; ⁴National Biodiversity Future Center (NBFC), 90133 Palermo, Italy; ⁵Institute of Atmospheric Sciences and Climate, National Research Council of Italy (CNR-ISAC), 40129 Bologna, Italy; ⁶Department of Environmental Biology, University of Rome Sapienza, 00185 Rome, Italy; ⁷Regional Environmental Protection Agency (ARPA), 00173 Rome, Italy

PO2: 187

Anti-oxidant and anti-inflammatory properties of nanoalgosomes in a co-culture of airway bronchial cells and macrophages at the Air-Liquid Interface

Wesam Darwish¹, Giorgia Adamo², Mohammad Almasaleekh¹, Johannes Becker¹, Sabrina Picciotto², Ralf Zimmermann¹, Antonella Bongiovanni², Sebastiano Di Bucchianico¹

¹University of Rostock, Germany; ²National Research Council of Italy, Italy

PO2: 188

Ex-Vivo Respiratory Pharmacokinetics Model for Inhaled Therapies Using Negative Pressure Ventilation and Perfusion: A Proof-of-Concept

Juan Pablo Vasco Marin¹, Lara Leclerc¹, Nicolas Curt¹, Nathalie Prevot^1,2, Edouard Sage^3,4, Sophie Perinel^1,2, Jérémie Pourchez¹

¹Mines Saint-Etienne, Univ. Jean Monnet, UMR INSERM 1059 SAINBIOSE, 42270 Saint‐Priest-en-Jarez, France; ²University Hospital of Saint-Étienne, CHU Saint-Etienne, 42270 Saint‐Priest-en-Jarez, France; ³Department of Thoracic Surgery and Lung Transplantation, Foch Hospital, Suresnes, France; ⁴Paris-Saclay University, INRAE, UVSQ, VIM, 78350, Jouy-en-Josas, France

PO2: 189

Assessment of Polycyclic Aromatic Hydrocarbon concentrations and Black carbon levels in primary schools and residences in urban and rural Barcelona

Maria Antonia Aretaki¹, Judith Desmet¹, Angeliki Karanasiou¹, Mar Viana^1,2, Barend L van Drooge¹

¹Institute of Environmental Assessment and Water Research,Barcelona,08034 Spain; ²Pollution Prevention Unit, Spanish Ministry for the Ecological Transition, Madrid,28003 Spain

PO2: 190

PM10 chemical profiling of vehicles emissions in a Lisbon road tunnel (Portugal)

Alexandra Nunes¹, Claudia Gabriel¹, Susana Marta Almeida¹, Teresa Moreno², Vania Martins¹

¹C2TN / INSTITUTO SUPERIOR TECNICO, Portugal; ²Consejo Superior de Investigaciones Científicas - Instituto de Diagnóstico Ambiental y Estudios del Agua

PO2: 191

Seasonal variability of airborne particles in Lisbon during natural phenomena events and a climatic atypical year

Alexandra Nunes, S. M. Almeida, Vânia Martins

C2TN / INSTITUTO SUPERIOR TECNICO, Portugal

PO2: 192

Aerosolisation of short, medium, and long chain length per- and polyfluoroalkyl substances (PFAS) from contaminated water

Jishnu Pandamkulangara Kizhakkethil¹, Zongbo Shi², Anna Bogush¹, Ivan Kourtchev¹

¹Centre for Agroecology, Water and Resilience (CAWR), Coventry University, Wolston Lane, Ryton-on-Dunsmore CV8 3LG, UK; ²School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK

PO2: 193

Investigation of the Internal Flow Dynamics of Conical Diffuser Chambers

Jeongbeen Kim¹, Yoonkyeong Ha¹, Sukbyung Chae², Changhyuk Kim^1,3

¹School of Civil and Environmental Engineering, Pusan National University, Korea, Republic of (South Korea); ²Department of Mechanical Engineering, Korea University of Technology and Education, Korea, Republic of (South Korea); ³Institute for Environment and Energy, Pusan National University, Korea, Republic of (South Korea)

PO2: 194

Chemical analysis of limonene secondary organic aerosols under high reactive nitrogen conditions for varying humidities

Willem Samuel Jacobus Kroese¹, Jinglan Fu^2,3, Yanxia Li³, Harald Saathoff³, Juliane Fry⁴, Rupert Holzinger¹, Ulrike Dusek²

¹Institute for Marine and Atmospheric Research, Utrecht University, Utrecht, 3584 CC, The Netherlands; ²Energy and Sustainability Research Institute, University of Groningen, Groningen, 9747 AG, The Netherlands; ³Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, 76344, Germany; ⁴Meteorology & Air Quality, Wageningen University & Research, Wageningen, The Netherlands

PO2: 195

Unraveling 2,5-Dimethylfuran Autoxidation by Ozone and OH radical: Experimental Insights from MION Orbitrap Mass Spectrometry

Rabbia Asgher¹, Sakshi Jha¹, Avinash Kumar¹, Shawon Barua¹, Sana Farhoudian¹, Matti Rissanen^1,2

¹Aerosol Physics Laboratory, Tampere University, Tampere, 33720, Finland; ²Department of Chemistry, University of Helsinki, Helsinki, 00014, Finland

PO2: 196

Peroxy radical and oxidation product formation in monoterpene oxidation by nitrate radicals: insights from free-jet flowtube experiments

Jiangyi Zhang¹, Yi Zhang^1,2,3, Hannu Koskenvaara¹, Jian Zhao¹, Mikael Ehn¹

¹Institute for Atmospheric and Earth System Research, Faculty of Science, University of Helsinki, Helsinki, 00014, Finland; ²State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; ³College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

PO2: 197

Photochemical degradation of gaseous naphthalene/benzene and secondary organic aerosol formation for typical atmospheric conditions

Merve Polat^1,2, Amir Ben brik³, Niall O'Sullivan³, Maarten Kieft⁵, Mixtli Campos-Pineda⁴, Albert A. Ruth⁴, John Wenger³, Jakob Klenø Nøjgaard^1,2, Matthew S. Johnson^1,5

¹Department of Chemistry, University of Copenhagen, 2100, Copenhagen, Denmark,; ²National Research Centre for the Working Environment, 2100, Copenhagen, Denmark; ³School of Chemistry and Environmental Research Institute, University College Cork, Cork, T12 YN60, Ireland; ⁴School of Physics and Environmental Research Institute, University College Cork, Cork, Ireland; ⁵Luper technologies, 5656 AE Eindhoven, Netherlands

PO2: 198

Current chemical ionization mass spectrometry (CIMS) techniques for measuring early generation peroxy radicals from monoterpene ozonolysis are prone to mischaracterization due to an artifact

Antti Metsämäki¹, Matti Rissanen^1,2, Siddharth Iyer¹

¹Tampere University, Finland; ²University of Helsinki, Finland

PO2: 199

Computational study on HOM formation from 2,5-Dimethylfuran oxidation initiated by ozone and OH radical

Sakshi Jha¹, Rabbia Asgher¹, Siddharth Iyer¹, Prasenjit Seal¹, Avinash Kumar¹, Shawon Barua¹, Matti rissanen^1,2

¹Tampere university, Physics Unit, Tampere, Finland; ²University of Helsinki, Chemistry Department, Finland

PO2: 200

Theoretical Investigation of the Reactivity of Organosulfates with OH Radical

Zahraa Chouaib, Denis Duflot, Celine Toubin

Univ. Lille, CNRS, UMR 8523– PhLAM – Physique des Lasers Atomes et Molécules, F-59000 Lille, France

PO2: 201

The Atmospheric Autoxidation of Mesitylene

Anni Savolainen¹, Siddharth Iyer¹, Matti Rissanen^1,2

¹Tampere University, Finland; ²University of Helsinki, Finland

PO2: 202

The Atmospheric Autoxidation Process of Pseudocumene

Anna-Maria Kervinen¹, Siddharth Iyer¹, Matti Rissanen^1,2

¹Aerosol Physics Laboratory, Tampere University, Finland; ²Department of Chemistry, University of Helsinki, Finland

PO2: 203

Predictions of homogeneous nucleation rate in laminar and turbulent flows

Nikolaos Tsimpliaris Kagiaras¹, Marika Pilou^1,2, Ioannis Drossinos², Michalis Lazaridis³, Dimitrios Mitrakos¹

¹School of Mechanical Engineering, National Technical University of Athens, Athens, 15780, Greece; ²National Center for Scientific Research “Demokritos”, Agia Paraskevi, 15341, Greece; ³School of Chemical and Environmental Engineering, Technical University of Crete, Chania, 73100, Greece

PO2: 204

Microbial Ice Nucleation in Polar and Atmospheric Environments: Insights from Antarctic Precipitation and Metagenomic Datasets

Sharath Chandra Thota^1,2, Ksenija Vučković¹, Irina Gorodetskaya¹, Catarina Magalhães^1,2

¹CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, Porto, 4450-208, Portugal; ²Department of science, University of Porto, Porto, 4169-007, Portugal

PO2: 205

A DLCA methodology for simulating Brownian agglomeration of nanowire aerosols

Nabil Abomailek^1,2, Juan José Vilatela¹

¹IMDEA Materials Institute, Spain; ²Department of Applied Physics, Universidad Autónoma de Madrid, Spain

PO2: 206

Single-droplet techniques for analysis of evaporation kinetics and particle morphology in spray dryers

Barnaby Miles¹, Lukesh Mahato¹, Rachael Miles¹, Emmanuelle Costard², Jewe Schröder², Arend Dubbelboer², Jonathan Reid¹

¹School of Chemistry, University of Bristol, Bristol, BS8 1TS; ²Danone Research & Innovation, Uppsalalaan 12, 3584 CT Utrecht, the Netherlands

PO2: 207

Controlling the Morphology of Microparticles Formed by Evaporation of Aerosol Droplets Containing Polymer Nanoparticles

Sorrel K. Haughton¹, Panagiotis Georgiou², Lukesh K. Mahato¹, Barnaby E. A. Miles¹, Steven P. Armes², Jonathan P. Reid¹

¹University of Bristol, United Kingdom; ²University of Sheffield, United Kingdom

PO2: 208

Roles of Mucin and Albumin in Exhaled Respiratory Droplet Evaporation and Rehydration: Implications for Airborne Disease Transmission

Yue Meng¹, Alexei Kiselev¹, Denis Duft¹, Thomas Leisner^1,2

¹Karlsruhe Institute of Technology, Germany; ²University of Heidelberg, Germany

PO2: 209

New cleaning model to predict the removal efficiency of 10-130 nm contaminant particles on Si wafers using microdroplet impaction

Seungwook Lee, Donggeun Lee

Pusan National University, Korea, Republic of (South Korea)

PO2: 210

Sea spray aerosol emissions (1940-2023) subject to climate change: trends and variation, based on new source parameterizations, the cases of the North Sea and the Baltic Sea

Yang Liu^1,2, Douglas Nilsson^1,2, Paul Glantz^1,2

¹Department of Environmental Sciences, Stockholm University, Stockholm, Sweden; ²Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden

PO2: 211

Stiff kinetics parameter estimation using neural ordinary differential equation and collocation training

Wenqing Peng^1,2, Zhi-Song Liu^2,3, Michael Boy^1,2,3

¹Institute for Atmospheric and Earth System Research (INAR), The University of Helsinki, Helsinki, 00014, Finland; ²Atmospheric Modelling Centre Lahti, Lahti University Campus, Lahti, 15140, Finland; ³School of Engineering Sciences, Lappeenranta-Lahti University of Technology LUT, Lahti, 15110, Finland

PO2: 212

Using digital PCR targeting the respiratory microbiome to quantify respiratory aerosol within complex spaces

Henry Paul Oswin¹, Raymond Tellier², Rowena Bull³, Adriana Notaras³, KM Ahsanul Kabir³, Charitha de Silva³, Raina Macintyre³, Donald Milton⁴, Lidia Morawska¹

¹Queensland University of Technology, Australia; ²McGill University, Canada; ³University of New South Wales, Australia; ⁴University of Maryland, United States

PO2: 213

Development of a particle categorization for the broad representation of atmospheric measurement data with the SwisensPoleno Jupiter

Julia Burkart

GeoSphere Austria, Sonnblick Observatory, Austria

PO2: 214

Experimental study of homogeneous nucleation in bismuth vapor

Maksim Shilikhin, Einar Kruis, Ramin Rishmawi

University of Duisburg-Essen, Germany

PO2: 215

Iron’s impact on SOA formed from Monoterpenes.

Sacha Fallah, Jens Top, Natasha M. Garner, Imad El Haddad, Markus Ammann, David M. Bell

PSI Center for Energy and Environmental Sciences, Switzerland

PO2: 216

Carbonaceous fine aerosol in Sarajevo, Bosnia and Herzegovina: Elevated concentrations and highly polluted winter episodes

Marta Via¹, Benjamin Chazeau², Asta Gregorič³, Michael Bauer⁴, Kristina Glojek⁵, Petra Mokorić¹, Martin Rigler³, Peeyush Khare⁴, Levi Folghera⁴, Leah Williams⁶, John Jayne⁶, Philip Croteau⁶, Almir Bijedić⁷, Enis Omerčić⁷, Enis Krečinić⁷, Damir Smajić⁷, Ismira Ahmović⁷, Griša Močnik¹, Jay Gates Slowik⁴, André S. H: Prévôt⁴, Katja Džepina⁴

¹University of Nova Gorica, Ajdovščina, 5270, Slovenia; ²Aix Marseille Univ., CNRS, LCE, Marseille, 13007, France; ³Research and Development Department, Aerosol d.o.o, Ljubljana, 1000, Slovenia; ⁴Center for Energy and Environmental Sciences, Paul Scherrer Institute (PSI), Villigen, 5232, Switzerland; ⁵Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, 08034, Spain; ⁶Aerodyne Research, Inc.45 Manning Rd, Billerica, MA 01821, USA; ⁷Federal Hydrometeorological Institute of Bosnia and Herzegovina, Sarajevo, 71000, Bosnia and Herzegovina

PO2: 217

Temperature effects on toluene SOA properties

Evangelia Kostenidou¹, Clément Dubois², Eva Johanna Horchler², Katja Olsen Møller Åbom², Ditte Thomsen², Mads Mørk Jensen², Emil Mark Iversen², Merete Bilde²

¹Democritus University of Thrace, Greece; ²Aarhus University, Denmark

PO2: 218

Research on IoT and Deep Learning-Based Monitoring and Prediction Technology for Biological Hazards in Indoor Air

Kwangin Han, Joohyuk Park, Sohwa Shin, Sanghyun Lee, Ahmee Jeong, Sujin Son, Jiyoon Shin

Sundosoft Co., Ltd., Korea, Republic of (South Korea)

PO2: 219

On Thermionic Emission Channel of Heat Transfer between Nanoparticles and Gas

Igor Altman¹, Igor Agranovski²

¹Combustion Sciences and Propulsion Research Branch, NAWCWD, CA, USA; ²Griffith University, Australia

PO2: 220

On the impact of Saharan dust on ice nucleating particles at high-mountain and urban environments in Southern Europe

Olga Ruiz-Galera¹, Elena Bazo^1,2, Gloria Titos^1,2, Diego Patrón¹, Alejandro Ontiveros¹, Sonia Castillo¹, Juan Andrés Casquero-Vera^1,2, Francisco José Olmo^1,2, Lucas Alados-Arboledas^1,2, Alberto Cazorla^1,2

¹Andalusian Institute for Earth System Research (IISTA-CEAMA); ²Department of Applied Physics, University of Granada

PO2: 221

Ecotoxicity of PM10 from heating appliances using different biomass fuels in two dwellings

Yago Alonso Cipoli¹, Estela Vicente¹, Franco Lucarelli², Nora Kóvats³, Manuel Feliciano⁴, Jíri Rysavy⁵, Célia Alves¹

¹Centre for Environmental and Marine Studies (CESAM), Department of Environment, University of Aveiro, 3810-193, Aveiro, Portugal; ²National Institute of Nuclear Physics (INFN), Sesto Fiorentino, Florence 50019, Italy; ³Centre of Natural Environmental Sciences, University of Pannonia, Egyetem str. 10, 8200, Veszprém, Hungary.; ⁴CIMO, LA SusTEC, Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; ⁵Technical University of Ostrava, Centre for Energy and Environmental Technologies, Energy Research Centre, 17. Listopadu 2172/15, 70800, Ostrava, Poruba, Czech Republic

PO2: 222

Determination of the initial concentration of aerosols and chemical agents at the portable air purifier test site

Tomasz Jankowski

CIOP-PIB, Poland

PO2: 223

Automatic classification of electrohydrodynamic atomization modes based on machine learning

Kelly Schneider Moreira¹, Luigi Piero Di Bonito², Matheus Novelli³, Marc Artero¹, Lelio Campanile⁴, Francesco Di Natale², Luewton Lemos F Agostinho¹

¹NHL Stenden University of Applied Science, Netherlands, The; ²Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, Naples, Italy; ³Federal University of Minas Gerais, 31270-901, Brazil; ⁴Department of Mathematics and Physics, University of Campania, Caserta, Italy

PO2: 224

Evaluation of Ultrafine Particle Abatement Systems in a 125 kW Biomass Pellet Boiler

Enrique Rojas García¹, David Sanz´Rivera¹, Jesús Javier Rodríguez Maroto¹, Aida Domínguez-Sáez¹, Manuel Pujadas Cordero¹, Marcos López Yebra⁴, María Elena Borjabad García², Raquel Ramos², Mónica Gomez Gomez², Felipe Ruiz³, Camilo Pérez Corral³

¹Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid 28040, Spain; ²CEDER-CIEMAT Autovía A-15 salida 56, 42290 Lubia (Soria), Spain; ³CURVADOS QUINTÍN S.L. Polígono Bakiola 35B 48498 Arrankudiaga (Vizcaya), España; ⁴Universidad Complutense de Madrid (UCM), Madrid 28040, Spain

PO2: 225

Thin continuous polytetrafluoroethylene coatings by electrospray

Deepak Parajuli¹, Eszter Bodnár¹, Joan Rosell-Llompart^1,2

¹University Rovira i Virgili, Spain; ²Catalan Institution for Research and Advanced Studies, Spain

PO2: 226

Particle emissions from the use of tobacco products

Efthimios Zervas, Niki Matsouki

Hellenic Open University, Greece

PO2: 227

Formation of trioxy acid via OH-initiated aldehyde oxidation in the atmosphere

Emelda Ahongshangbam^1,2, Avinash Kumar³, Melissa Meder^1,2, Matti P Rissanen^1,3, Nanna Myllys^1,2

¹Department of Chemistry, University of Helsinki, Helsinki, 00041, Finland; ²Institute for Atmospheric and Earth System Research, University of Helsinki, Helsinki, 00014, Finland; ³Aerosol Physics Laboratory, Tampere University, Tampere, 33720, Finland

PO2: 228

A case study of the strengths and limitations of using the isotopic composition of Carbon (d13C) and Nitrogen (d15N) to partition the sources of C and N in Particulate Matter collected over Naples (Italy)

Mauro Rubino¹, Carmina Sirignano², Elena Chianese³, Miguel Angel Hernández-Ceballos⁴, Anikò Angyal⁵, Marzaioli Fabio¹, Davide Di Rosa¹, Giuseppe Caso¹, Angelo Riccio³

¹Università della Campania "Luigi Vanvitelli", Italy; ²Istituto di Scienze dell’atmosfera e del clima, Centro Nazionale delle Ricerche, Via Piero Gobetti, 101, 40129 Bologna, Italy; ³Dipartimento di Scienze e Tecnologia, Università Parthenope, Centro Direzionale Isola C4, 80134 Napoli, Italy; ⁴Departamento de Física, Universidad de Córdoba, Edificio "Einstein", Planta Baja, Campus de Rabanales, 14071 Córdoba, Spain; ⁵Laboratory of Ion Beam Physics, Institute for Nuclear Research, Hungarian Academy of Sciences (MTA Atomki), H-4026, Debrecen, P. O. Box 51, Hungary

PO2: 229

Transport and air pollution exposure around schools

Christina Mitsakou, Rosemary Chamberlain, Otto-Emil Jutila, Artemis Doutsi, Sani Dimitroulopoulou, Karen Exley

UK Health Security Agency, United Kingdom

PO2: 230

Additive Fingerprints of Micro- and Nano-plastics in PM10 from Occupational Environments

Benedetta Giannelli Moneta, Catia Balducci, Marina Cerasa, Tommaso Rossi, Silvia Mosca, Marco Giusto, Tiziana Sargolini, Adriana Pietrodangelo

National Research Council, Italy

PO2: 231

Characterisation of Long-Range Transported Aerosols at Barbados during EUREC4A: Insights from Single-Particle Mass Spectrometry

Doğuşhan Kılıç^1,2, Peter Gallimore¹, Nicholas Marsden^1,2, Michael Flynn¹, Hugh Coe¹

¹Department of Earth and Environmental Sciences, The University of Manchester, UK; ²National Centre for Atmospheric Research, Manchester, UK

PO2: 232

Characterization of aerosol microphysical properties and transport mechanisms to the Alps

Stefania Gilardoni¹, Paolo Bonasoni², Angela Marinoni², Cristian Gencarelli³, Henri Diémoz⁴, Annachiara Bellini⁴, Eros Mariani⁵, Antonello Provenzale⁶, Luigi Mazari⁷, Francesco Petracchini⁷

¹Institute of Polar Sciences –National Research Council, Milan, Italy; ²Institute of Atmospheric Sciences and Climate –National Research Council, Bologna, Italy; ³Institute of Environmental Geology and Geoengineering – National Research Council, Milan, Italy; ⁴Regional Environmental Agency Valle d’Aosta, Aosta, Italy; ⁵Milan Research Area - National Research Council, Milan, Italy; ⁶Institute of Geosciences and Earth Resources – National Research Council, Torino, Italy; ⁷Department of Earth System Sciences and Environmental Technologies – National Research Council, Rome, Italy

PO2: 233

Comparative characterisation of indoor aerosols from salt atomisation and pan frying: size distribution and ventilation impact in a naturally ventilated townhouse

Prem Perumal, James Matthews, Dudley Shallcross

Atmospheric Chemistry Research Group, School of Chemistry, University of Bristol, Bristol, United Kingdom

PO2: 234

Development and characterisation of a new aerosol sampling system and preliminary investigations regarding the composition of organic aerosol

David Wasserzier, Niklas Karbach, Thorsten Hoffmann

Johannes Gutenberg-Universität Mainz, Germany

PO2: 235

Development and Evaluation of a Fanless In-Vehicle Electrostatic Precipitator for Urban PM Reduction

Dongho Shin, Daewon Kim, Gunhee Lee, Bangwoo Han

Department of Urban Environment Research, Korea Institute of Machinery and Materials, Korea, Republic of (South Korea)

PO2: 236

Effects of Chamber Configurations on the Nanoparticle Output of Spark Discharge Generators: A Combined CFD, Particle Tracing and Experimental Study

Dániel Megyeri¹, Marie Bermeo², Martin Magnusson², Attila Kohut¹, Maria Messing^2,3, Zsolt Geretovszky¹

¹University of Szeged, Hungary; ²Lund University, Sweden; ³Chalmers University of Technology, Sweden

PO2: 237

LOAC-S, a new space-borne OPC for planetary aerosols

Ian Aenishanslin¹, Nicolas Verdier², Gwenaël Berthet¹, Jean-Baptiste Renard¹, Fabrice Colin¹, Clémence Agrapart¹

¹CNRS, France; ²CNES, France

PO2: 238

Temporal Variation of Tire Wear Particles in Ambient Air: Development of Analytical Techniques and Seasonal Trends

Aynur Naghizade, Maurice Millet, Olivier Delhomme

Strasbourg University, France

PO2: 239

The Angstrom coefficient (Aerosol) evaluation through wide-field stellar photometry

Shefali Negi¹, Jan Ebr¹, Sergey Karpov¹, Jiří Eliášek^1,2

¹Institute of Physics of the Czech Academy of Sciences, Czech Republic; ²Institute of Theoretical Physics, Faculty of Mathematics and Physics, Charles University, V Holeˇsoviˇck´ach 2, 180 00 Prague, Czech Republic

PO2: 240

Using online chemical ionisations high-resolution mass spectrometry for the characterisation of size-dependent reactions in aerosol particles

Nico Blum¹, Marcel Douverne¹, Thorsten Hoffmann¹, Matthieu Riva², Sebastien Perrier², Christian George²

¹Johannes-Gutenberg University Mainz, Germany; ²IRCELYON, Universite Claude Bernard Lyon, France

PO2: 241

LungVis 1.0 – AI-enhanced 3D imaging for spatially resolved dosimetry and biokinetics of inhaled nanoparticles throughout the entire murine lung

Lin Yang¹, Ruolin Shen², Darya Trofimova³, Sebastian Ziegler³, Wolfgang G. Kreyling⁴, Marie Piraud², Fabian Isensee³, Otmar Schmid¹

¹Institute of Lung Health and Immunity (LHI), Helmholtz Zentrum München, Comprehensive Pneumology Center (CPC-M), Member of the German Center for Lung Research (DZL), Neuherberg/Munich, 85764, Germany; ²Helmholtz AI, Helmholtz Zentrum München, Neuherberg/Munich, 85764, Germany; ³Helmholtz Imaging, Applied Computer Vision Lab, Division of Medical Image Computing, German Cancer Research Center (DKFZ), Heidelberg, Germany; ⁴Institute of Epidemiology, Helmholtz Zentrum München, Neuherberg/Munich, 85764, Germany

PO2: 242

New particle formation from alpha pinene and trace sulfuric acid

Eva Sommer^1,2, Joao Almeida^1,3, Mario Simon⁴, Lucía Caudillo-Plath⁴, Wenjuan Yu⁵, Heikki Junninen⁶, Zhensen Zheng^7,8, Bernhard Judmaier⁷, Christos Xenofontos⁹, Andrea Pozzer¹⁰, Jasper Kirkby^1,4

¹CERN, Switzerland; ²University of Vienna, Austria; ³Faculty of Sciences of the University of Lisbon, Portugal; ⁴Goethe University Frankfurt, Germany; ⁵University of Helsinki, Finland; ⁶University of Tartu, Estonia; ⁷University of Innsbruck, Austria; ⁸Ionicon Analytik Ges.m.b.H., Austria; ⁹The Cyprus Institute, Cyprus; ¹⁰Max Planck Institute for Chemistry, Germany

PO2: 243

Particulate Matter: multi-sample analysis protocol for Oxidative Potential determination

Laura Martina¹, Serena Potì^1,2, Maria Rachele Guascito^1,3, Adelaide Dinoi¹, Daniela Cesari¹, Antonio Pennetta¹, Giuseppe De Luca¹, Ermelinda Bloise¹, Paola Semeraro¹, Anna Rita De Bartolomeo³, Daniele Contini¹

¹Istituto di Scienze dell'Atmosfera e del Clima (ISAC) - CNR, Lecce, 73100, Italy; ²Dipartimento di Ingegneria dell'Innovazione, Università del Salento, Lecce, 73100, Italy; ³Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali DiSTeBA, Università del Salento, Lecce, 73100, Italy

PO2: 244

Particulate-loaded filters analysis via Laser-Induced Breakdown Spectroscopy

Silvana De Iuliis¹, Davide Ciniglia², Francesca Migliorini¹, Stefania Gilardoni³, Roberto Dondé¹

¹CNR-ICMATE, Institute of Condensed Matter Chemistry and Energy Technologies, Italy; ²Department of Mechanical and Industrial Engineering, University of Brescia, Italy; ³CNR-IPS, Institute of Polar Sciences, Italy

PO2: 245

Quantifying short-term intervention-associated source contributions to air quality using a causal machine learning approach

Qili Dai, Yufen Zhang, Yinchang Feng

College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China

PO2: 246

Seasonal variability of PM2.5 major chemical components and source tracers in the Mediterranean urban background atmosphere

Evangelos Tsompanoglou¹, Maria Ochsenkühn-Petropoulou¹, Mirtat Bouroushian¹, Stavroula Katsikari², Angelos Laoutaris², Manousos Ioannis Manousakas², Konstantinos Eleftheriadis², Evangelia Diapouli²

¹School of Chemical Engineering, National Technical University of Athens, Greece; ²Environmental Radioactivity & Aerosol Technology for Atmospheric and Climate Impact Lab, NCSR Demokritos, Greece

PO2: 247

Source apportionment of PM in Campania during high tourist season: an integrated analytical and modeling approach

Giuseppe Caso¹, Fabio Marzaioli¹, Mauro Rubino¹, Miguel A. Hernández-Ceballos², Francesca Barone³, Enikő Papp⁴, Zsófia Kertész⁴, Anikó Angyal⁴

¹University of Campania “Luigi Vanvitelli”, Department of Mathematics and Physics, 81100 Caserta, Italy.; ²Department of Physics, University of Córdoba, 14071 Córdoba, Spain.; ³ARPAC - Region Campania Agency for the environment protection, 80143 Naples, Italy.; ⁴Laboratory for Heritage Science (HSLab), Institute for Nuclear Research, Hungarian Academy of Sciences (MTA Atomki), H-4026 Debrecen, Hungary.

PO2: 248

The Effect of Explicit Many-Water Molecules on Dimethyl Sulfide Oxidation

Wilin Julian Sari, Nanna Myllys

University of Helsinki, Finland

PO2: 249

Understanding the sources of PM10 and PM2.5 in an underground train station in Ile de France (Paris metropolitan area)

Juanita Rausch¹, Sylvie Ngo², David Jaramillo Vogel¹, Sébastien Perseguers³, Gaelle Uzu⁴, Jean-Luc Jaffrezo⁴, Heidi Carrilho²

¹Particle Vision GmbH, Switzerland; ²SNCF, France; ³Gradiom Sàrl, Switzerland; ⁴Université Grenoble Alpes, CNRS, IRD, INP-G, INRAE, IGE

PO2: 250

Characterization of PM2.5 and its oxidative potential in three regions of the South Italy

Daniela Cesari¹, Caterina Mapelli¹, Adelaide Dinoi¹, Daniela Chirizzi², Antonio Pennetta¹, Giuseppe Deluca¹, Daniele Contini¹

¹Institute of Atmospheric Sciences and Climate - ISAC-CNR, Lecce, 73100, Italy; ²Clinical Pathology and Microbiology Unit, Vito Fazzi General Hospital, Lecce, 73100, Italy

PO2: 251

Aging of Wildfire Particulate Matter and Its Impacts on Toxicity and Biological Responses

Melanie Stegmann¹, Jeroen Buters¹, Hendryk Czech², Abdulghani Ebtini², Olga Popovicheva³, D. Cernov⁴, Alexander Kozlov⁵, Ralf Zimmermann², Carsten Schmidt-Weber¹, Inga Wessels¹

¹ZAUM – Center of Allergy and Environment, Technical University/ Helmholtz Center Munich, Munich, Germany; ²Department of Analytical and Technical Chemistry, University of Rostock, Rostock, Germany; ³Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia; ⁴V.E. Zuev Institute of Atmospheric Optics (IAO), SB RAS, Tomsk, Russia; ⁵Voevodsky Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk, Russia

PO2: 252

The Impact of COVID-19 Restrictions on Airborne Concentrations of Contaminants of Emerging Concern in Milan (Italy): The Case of Cocaine

Giovanna Mazzi¹, Elena Barbaro², Matteo Feltracco¹, Marco Roman¹, Cristina Colombi³, Eleonora Favaro¹, Andrea Gambaro^1,2

¹Università Ca' Foscari di Venezia, Italy; ²Institute of Polar Sciences, Italian National Research Council,; ³ARPA Lombardia, Unità Operativa Qualità dell’Aria

PO2: 253

Data-Driven Modeling of Ultrafine Particles in Northern France: An XGBoost Approach Using ATOLL Observations

Pratima Gupta

University of Lille, France