10:45am - 11:00am
FR1-1: 1

Molecular composition and sources of secondary organic aerosol in Sao Paulo, Brazil

Abdul Aziz Mohammad Kurdieh¹, Arianna Tronconi¹, Yufang Hao¹, Lubna Dada¹, Peeyush Khare^1,2, Jacques Florêncio³, Maria Lucia Campos³, Adalgiza Fornaro Fornaro⁴, Agnès Borbon⁵, Pamela Dominutti⁶, Jean Luc Jaffrezo⁶, Gaëlle Uzu⁶, Kaspar Rudolf Daellenbach¹

¹PSI Center for Energy and Environmental Sciences, Paul Scherrer Institute, 5232 Villigen, Switzerland; ²Institute of Climate and Energy Systems (ICE-³Troposphere, Forschungszentrum Jülich, 52428 Jülich, Germany; ³Department of Chemistry, University of São Paulo, Ribeirão Preto, SP, 14040-901, Brazil; ⁴Department of Atmospheric Sciences, Institute of Astronomy, Geophysics and Atmospheric Sciences, University of São Paulo, São Paulo, SP 05508-090, Brazil; ⁵Université Clermont-Auvergne, CNRS, UMR 6016, Laboratoire de Météorologie Physique (LaMP), Clermont-Ferrand 63000, France; ⁶Univ. Grenoble Alpes, IRD, CNRS, INRAE, Grenoble INP, IGE, 38000 Grenoble, France

11:00am - 11:15am
FR1-1: 2

PM10 source apportionment combining aerosol size and light absorption properties from high-time-resolution optical sensors: multi-year analysis, comparison with chemical speciation, and real-time implementation at an urban site in an Italian Alpine valley

Henri Diémoz¹, Francesca Barnaba², Luca Ferrero³, Annachiara Bellini¹, Claudia Désandré¹, Tiziana Magri¹, Caterina Mapelli^2,4, Devis Panont¹, Ivan K.F. Tombolato¹, Manuela Zublena¹

¹Regional Environmental Protection Agency - ARPA Valle d'Aosta, Saint-Christophe, Italy; ²National Research Council, Institute of Atmospheric Sciences and Climate, CNR-ISAC, Rome, Italy; ³GEMMA Center, Department of Earth and Environmental Sciences (DISAT), University of Milano-Bicocca, Milan, Italy; ⁴National Research Council, Institute of Methodologies for Environmental Analysis, CNR-IMAA, Tito Scalo, Italy

11:15am - 11:30am
FR1-1: 3

Multi-year observations at Irish coastal observatories reveal marine–continental aerosol dynamics and emerging trends

Vaios Moschos, Emmanuel Chevassus, Kirsten N. Fossum, Lu Lei, Vignesh Prabhu, Damien Martin, Darius Ceburnis, Colin O'Dowd, Jurgita Ovadnevaite

Centre for Climate and Air Pollution Studies, Physics, School of Natural Sciences, University of Galway, University Road, Galway H91 CF50, Ireland

11:30am - 11:45am
FR1-1: 4

Chemical Composition and Sources of Atmospheric Submicron Aerosols at a central site on the Qinghai-Tibet Plateau during Monsoon Period

Lin Liang¹, Shan Huang¹, Xiaoyue Wang¹, Yuan Liu¹, Weiwei Hu², Bin Yuan¹

¹College of Environment and Climate, Jinan University, Guangzhou, China; ²Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China

11:45am - 12:00pm
FR1-1: 5

Turbulent Fluxes and Sources of Ultrafine Particles in a Mixed Urban Environment

Marianna Conte¹, Andreas Held², Armando Pelliccioni³, Stefano Decesari¹, Giampietro Casasanta¹, Stefania Argentini¹, Igor Petenko¹, Alessandro Conidi¹, Spartaco Ciampichetti¹, Daniela Cesari¹, Lorenzo Marinelli¹, Francesco Giannotti¹, Antonio Pennetta¹, Daniele Contini¹

¹Institute of Atmospheric Sciences and Climate, ISAC-CNR, Italy; ²Environmental Chemistry and Air Quality, Department of Environmental Science and Technology, Berlin; ³Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Workers’ Compensation Authority, Italy

10:45am - 11:00am
FR1-2: 1

Mobile Measurements of Metals and Trace Elements using a new Microwave-Induced Plasma Time-of-Flight Mass Spectrometer

Jay G. Slowik¹, Alexander Gundlach-Graham², Ivo Amstutz¹, Michael Bauer¹, Edward C. Fortner³, Faisal Mohd¹, Douglas R. Worsnop³, Martin Tanner², Andre S. H. Prevot¹

¹PSI Center for Energy and Environmental Sciences; ²Tofwerk AG; ³Aerodyne Research, Inc.

11:00am - 11:15am
FR1-2: 2

High resolution detection of aerosol precursors coupling an offline sampling method with Thermal Desorption Multi-scheme Chemical Ionization inlet Orbitrap mass spectrometry

Mihai Ciobanu¹, Neha Deot¹, Cecilia Righi², Nina Sarnela², Vijay Kanawade^1,3, Tuija Jokinen¹

¹The Cyprus Institute, Cyprus; ²University of Helsinki, Finland; ³University of Hyderabad

11:15am - 11:30am
FR1-2: 3

Microwave Induced Plasma Time-of-Flight Mass Spectrometer (mipTOF): A New Tool for Real-Time Quantitative Analysis of Metals in Air

Alexander Gundlach-Graham¹, Jay Slowik², Andre Prevot², Martin Tanner¹

¹TOFWERK AG; ²PSI Center for Energy and Environmental Sciences

11:30am - 11:45am
FR1-2: 4

Bipolar FUSION PTR-TOF Mass Spectrometer: Advantages of Multiple Reagent Ions to Characterize Oxidation and Secondary Organic Aerosol Formation

Markus Sebastian Leiminger, Hannah Beckmann, Andreas Klinger, Martin Graus, Tobias Reinecke, Markus Müller

IONICON Analytik GmbH, Austria

11:45am - 12:00pm
FR1-2: 5

A novel ion source for PTR-MS and other chemical ionization schemes

Vasyl Yatsyna¹, Imad Zgheib¹, Matthieu Riva^1,2, Michael Kamrath¹, Urs Rohner¹, Felipe Lopez-Hilfiker¹

¹Tofwerk AG, Schorenstrasse 39, 3645 Thun, Switzerland; ²Univ. Lyon, Université Claude Bernard Lyon 1 CNRS, IRCELYON, 69626, Villeurbanne France

10:45am - 11:00am
FR1-3: 1

Latest results on oxidative potential concentrations and drivers in western and more polluted eastern Europe, China and India

Andre Prevot

Paul Scherrer Institute, Switzerland

11:00am - 11:15am
FR1-3: 2

Exploring Oxidative Potential of PM Variability for European Regulations

Cécile Tassel^1,2, Jean-Luc Jaffrezo¹, Pamela Dominutti¹, Kaspar R. Daellenbach³, Sophie Darfeuil¹, Rhabira Elazzouzi¹, Paolo Laj^1,4, Anouk Marsal¹, Takoua Mhadhbi¹, Vy Dinh Ngoc Thuy¹, Céline Voiron¹, Stephan Houdier¹, Andrés Alastuey⁵, Barbara D'Anna⁶, Nicolas Marchand⁶, Sébastien Conil⁷, Valérie Gros⁸, Marloes F. van Os⁹, Imre Salma¹⁰, Nikolaos Mihalopoulos^11,12, Griša Močnik¹³, Katja Džepina^3,13, Katarzyna Styszko¹⁴, Christoph Hüglin¹⁵, Xavier Querol⁵, André S. H. Prévôt³, Olivier Favez^16,17, Valérie Siroux², Gaëlle Uzu¹

¹Univ. Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, 38000 Grenoble, France; ²University Grenoble Alpes, Inserm U 1209, CNRS UMR 5309, Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, 38000 Grenoble, France; ³PSI Center for Energy and Environmental Sciences, 5232 Villigen PSI, Switzerland; ⁴Institute for Atmospheric and Earth System Research/Physics, University of Helsinki, Helsinki, Finland; ⁵Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Barcelona 08034, Spain; ⁶Aix Marseille Univ, CNRS, LCE, Marseille, France; ⁷ANDRA, DISTEC/EES Observatoire Pérenne de l’Environnement, 55290 Bure, France; ⁸LSCE, Laboratoire des Sciences du Climat et de l'Environnement, CNRS-CEA-UVSQ, IPSL, Orme des Merisiers, 91191 Gif sur Yvette, France; ⁹TNO, Environmental Modelling Sensing & Analysis, Energy & Material Transitions, Princetonlaan 8, 3584 CB Utrecht, The Netherlands; ¹⁰Institute of Chemistry, Eötvös Loránd University, Budapest, Hungary; ¹¹National Observatory of Athens, Institute of Environmental Research and Sustainable Development, Athens, Greece; ¹²ECPL, Department of Chemistry, University of Crete, Heraklion, Greece; ¹³University of Nova Gorica, Centre for Atmospheric Research (CRA), Ajdovščina 5270, Slovenia; ¹⁴Faculty of Energy and Fuels, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Cracow, Poland; ¹⁵Empa, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland; ¹⁶Institut National de l’Environnement Industriel et des Risques (Ineris), Verneuil-en-Halatte, France; ¹⁷Laboratoire Central de Surveillance de la Qualité de l’Air (LCSQA), 60550 Verneuil-en-Halatte, France

11:15am - 11:30am
FR1-3: 3

Oxidative Potential of Mineral Dust: Comparative Analysis of Water-Soluble and Total Fractions Under Various Aging Processes and OP Assays

Carolina Molina¹, Andrea Baccarini², Kalliopi Violaki², Papoulis Dimitris³, Carlos Pérez⁴, Christos Kaltsonoudis¹, Katerina Seitanidi¹, Spyros Pandis^1,5, Athanasios Nenes^1,2

¹Institute of Chemical Engineering Sciences (ICE-HT), Foundation for Research and Technology Hellas (FORTH), Patras, 26504, Greece; ²Laboratory of Atmospheric Processes and their Impacts (LAPI), École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, 1015, Switzerland.; ³Department of Geology, University of Patras, Patras, 26504, Greece; ⁴ICREA, Catalan Institution for Research and Advanced Studies, Barcelona, 08010, Spain; ⁵Department of Chemical Engineering, University of Patras, Patras, 26504, Greece

11:30am - 11:45am
FR1-3: 4

A meta-analysis on the short-term effects of PM oxidative potential on mortality

Vanessa Nogueira dos Santos^1,2, Anouk Marsal³, Gaëlle Uzu³, Karine Supernant⁴, Cecile Tassel^3,4, Valérie Siroux⁴, Joan Ballester^1,2, Roy M. Harrison⁵, Gerard Hoek⁶, Xavier Querol⁷, Tuukka Petäjä⁸, Ioar Rivas^1,2,7, Xavier Basagaña^1,2

¹Barcelona Institute for Global Health, Spain; ²Universitat Pompeu Fabra (UPF), Barcelona, Spain; ³Univ. Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, 38000 Grenoble, France; ⁴University Grenoble Alpes, Inserm U 1209, CNRS UMR 5309, Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, 38000 Grenoble, France; ⁵Division of Environmental Health and Risk Management, School of Geography, Earth and Environmental Sciences University of Birmingham, Edgbaston, Birmingham, United Kingdom; ⁶Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands; ⁷Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain; ⁸Institute for Atmospheric and Earth System Research / Physics, Faculty of Science, University of Helsinki, Helsinki FI-00560, Finland

11:45am - 12:00pm
FR1-3: 5

Spatial and seasonal variability of the contribution of sources to PM2.5, PM10 and their oxidative potential in different sites in the central Mediterranean.

Serena Potì^1,4, Eva Merico¹, Marianna Conte², Florin Unga¹, Daniela Cesari¹, Adelaide Dinoi¹, Anna Rita De Bartolomeo³, Antonio Pennetta¹, Ermelinda Bloise¹, Giuseppe Deluca¹, Giuseppe Egidio De Benedetto⁵, Roberto Ferrara⁶, Enrico Bompadre⁶, Maria Rachele Guascito^1,3, Daniele Contini¹

¹Institute of Atmospheric Sciences and Climate (ISAC), National Research Council of Italy, Lecce, 73100, Italy; ²Institute of Atmospheric Sciences and Climate (ISAC), National Research Council of Italy, Rome, 00133, Italy; ³Department of Environmental and Biological Sciences and Technologies (DISTEBA), University of Salento, Lecce, 73100, Italy; ⁴Department of Engineering for Innovation, University of Salento, Lecce, 73100, Italy,; ⁵Laboratory of Chemical Analysis for the Environment and Cultural Heritage, Department of Cultural Heritage, University of Salento, Lecce, 73100, Italy; ⁶FAI Instruments s.r.l., Roma, 00013, Italy

10:45am - 11:00am
FR1-4: 1

Smoke on the water at Ioannina, Greece: emissions and processing of wood burning products on aerosols

Kalliopi Petrinoli¹, Iasonas Stavroulas¹, Maximilien Desservettaz², Eleni Liakakou¹, Georgios Grivas¹, Nikolaos Hatzianastassiou³, Efstratios Bourtsoukidis², Aikaterini Bougiatioti¹, Nikolaos Mihalopoulos¹

¹Institute for Environmental Research and Sustainable Development, National Observatory of Athens, Greece; ²Climate and Atmosphere Research Centre, The Cyprus Ιnstitute, 2121 Nicosia, Cyprus; ³Laboratory of Meteorology, Department of Physics, University of Ioannina, 45110 Ioannina, Greece

11:00am - 11:15am
FR1-4: 2

Optical and chemical properties of smoke aerosols from peri-urban wildfires in Athens

Dimitris G. Kaskaoutis¹, Kalliopi Petrinoli², Georgios Grivas², Panayiotis Kalkavouras², Maria Tsagkaraki³, Kalliopi Tavernaraki³, Kyriaki Papoutsidaki³, Iasonas Stavroulas², Despina Paraskevopoulou², Aikaterini Bougiatioti², Eleni Liakakou², Rafaella-Eleni P. Sotiropoulou⁴, Efthimios Tagaris¹, Evangelos Gerasopoulos², Nikolaos Mihalopoulos²

¹Department of Chemical Engineering, University of Western Macedonia; ²Institute for Environmental Research and Sustainable Development, National Observatory of Athens; ³ECPL, Department of Chemistry, University of Crete; ⁴Department of Mechanical Engineering, University of Western Macedonia

11:15am - 11:30am
FR1-4: 3

Seasonal Cycles and Sources of Water-Soluble Organic Carbon and Nitrogen in Size Segregated Aerosols in Bolu (Türkiye)

Konstantina Alevraki¹, Maria Tsagkaraki¹, Emre Dikmen², Eda Sağırlı², Aşkın Birgül³, Perihan Binnur Kurt Karakuş³, Konstantina Oikonomou⁴, Jean Sciare⁴, Nikolaos Mihalopoulos⁵, Fatma Öztürk⁶

¹Department of Chemistry, University of Crete; ²Department of Environmental Engineering, Bolu Abant İzzet Baysal University; ³Department of Environmental Engineering, Bursa Technical University; ⁴Climate and Atmosphere Research Center (CARE-C), The Cyprus Institute; ⁵Institute for Environmental Research and Sustainable Development, National Observatory of Athens; ⁶Institute of Environmental Sciences, Boğaziçi University

11:30am - 11:45am
FR1-4: 4

Secondary organic aerosol speciation observed in urban and forested sites of the Paris region during the summer 2022

Diana L. Pereira¹, Aline Gratien¹, Chiara Giorio², Alexander Zherebker², Emmanuelle Mebold³, Thomas Bertin⁴, Cecile Gaimoz⁴, Gael Noyalet¹, Servanne Chevaillier¹, Christopher Cantrell⁴, Vincent Michoud¹, Claudia Di Biagio¹, Manuela Cirtog⁴, Benedicte Picquet-Varrault⁴, Mathieu Cazaunau⁴, Antonin Berge¹, Edouard Pangui⁴, Jean-François Doussin⁴, Paola Formenti¹

¹LISA, Université Paris Cité and Univ Paris Est Creteil, Paris, 75013, France; ²Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom; ³Observatoire des Sciences de l’Univers OSU-EFLUVE, Univ Paris Est Creteil, Créteil, 94010, France; ⁴LISA, Univ Paris Est Creteil and Université Paris Cité, Créteil, 94010, France

11:45am - 12:00pm
FR1-4: 5

Real-time Molecular Emissions from a Modern Domestic Stove: The Role of Malfunctions and Operating Conditions

Dogushan Kilic^1,2, James D. Allan^1,2, Leonard Kirago⁴, Zixuan Chen¹, Daniel Wilson³, Marvin Shaw^2,4, Daniel Bryant⁴, Rhianna Evans⁴, Michael Flynn¹, James Hopkins^2,4, Amanda Lea-Langton³, Andrew Rickard^2,4, Gordon McFiggans¹, Jacqueline Hamilton^2,4, Hugh Coe¹

¹Department of Earth and Environmental Sciences, University of Manchester; ²National Centre for Atmospheric Science; ³Department of Mechanical, Aerospace and Civil Engineering, University of Manchester; ⁴Wolfson Atmospheric Chemistry Laboratory, University of York

10:45am - 11:00am
FR1-5: 1

Contribution of free and combined amino acids and nucleobases to the organic matter on Antarctic peninsula aerosol particles and their influencing factors

Christina Breitenstein, Manuela Van Pinxteren, Sebastian Zeppenfeld, Hartmut Herrmann

Leibniz Institute for Tropospheric Research (TROPOS), Germany

11:00am - 11:15am
FR1-5: 2

Study of the mineral dust in the Antarctic plateau: the SIDDARTA project

Silvia Nava¹, Giulia Calzolai¹, Fabio Giardi¹, Franco Lucarelli¹, Stefano Bertinetti², Mery Malandrino², Francisco Ardini³, Marco Grotti³, David Cappelletti⁴, Chiara Petroselli⁴, Federica Bruschi⁴, Marco Massetti⁴, Rita Traversi⁵, Silvia Becagli⁵

¹Department of Physics and Astronomy, University of Florence and INFN; ²Department of Chemistry, University of Turin; ³Department of Chemistry and Industrial Chemistry, University of Genoa; ⁴Department of Chemistry, Biology and Biotechnology, University of Perugia; ⁵Department of Chemistry, University of Florence

11:15am - 11:30am
FR1-5: 3

Preliminary Findings on Microbial Life in Antarctic Precipitation: Insights into Atmospheric River-Associated Microbes

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

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

11:30am - 11:45am
FR1-5: 4

Summertime particle concentrations in coastal Antarctica from aircraft and tethered balloon in situ observations

Michael Lonardi¹, Yolanda Temel¹, Zsofia Juranyi², René Forsberg³, Andreas Rønne Stokholm³, Julia Schmale¹

¹Extreme Environments Research Laboratory, École Polytechnique Fédérale de Lausanne, Sion, Switzerland; ²Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany; ³Department of Space Research and Technology, Technical University of Denmark, Kongens Lyngby, Denmark

11:45am - 12:00pm
FR1-5: 5

From phytoplankton to clouds – understanding the complex atmospheric processes in the pristine region of the Southern Ocean and Antarctica.

Ruhi Humphries^1,2, Melita Keywood^1,2, Gerald Mace³, Roger Marchand⁴, Marc Mallet², Sonya Fiddes², Alain Protat⁵, Erin Dunne¹, Emily Franklin¹, Caleb Mynard^1,6, Salvatore Sodano^2,1, Sarah Prior⁵, Branka Miljevic⁷, Jennifer Powell¹

¹CSIRO Environment, Melbourne, Victoria, Australia; ²Australian Antarctic Program Partnership, University of Tasmania, Hobart, Tasmania, Australia; ³Department of Atmospheric Sciences, University of Utah, Salt Lake City, Utah, United States of America; ⁴College of the Environment, University of Washington, Seattle, Washington, United States of America; ⁵Bureau of Meteorology, Melbourne, Victoria, Australia; ⁶Monash University, Melbourne, Victoria, Australia; ⁷Queensland University of Technology, Brisbane, Queensland, Australia

12:45pm - 1:00pm
FR2-1: 1

Intercomparison of ELPI against MPSS and APSS on well-defined aerosols

Jakub Ondracek¹, Petr Roztocil¹, Markus Nikka², Oskari Vainio², Petr Otahal³, Eliska Fialova^3,4, Ludovit Balco⁵

¹Reaearch Group of Aerosol Chemistry and Physics, Institute of Chemical Process Fundalmentals, Czech Academy of Sciences, Czech Republic; ²Dekati Ltd.; ³National Institute for NBC Protection; ⁴Department of Geological Sciences, Faculty of Science, Masaryk University; ⁵Biowell s.r.o

1:00pm - 1:15pm
FR2-1: 2

Real time detection of allergenic airborne microorganisms

László Himics¹, Attila Nagy¹, Aladár Czitrovszky¹, Igor Agranovski²

¹HUN-REN Wigner Research Centre for Physics, Hungary; ²Griffith University, Australia

1:15pm - 1:30pm
FR2-1: 3

3D characterisation of aerosol particles by scanning electron microscopy

Tamás Kolonits¹, Attila Nagy², Szilvia Kugler³, Árpád Farkas³

¹HUN-REN Centre for Energy Research, Hungary; ²HUN-REN Wigner Research Centre for Physics, Hungary; ³HUN-REN Centre for Energy Research, Hungary

1:30pm - 1:45pm
FR2-1: 4

Detection of semi-volatile compounds in nanoparticles using high-purity nebulization, aerosol sample heating, and threshold particle counting

Derek Oberreit, Michael Walker, Jikku Thomas

Kanomax FMT, United States of America

1:45pm - 2:00pm
FR2-1: 5

Triboelectric charging of aerosol particles

Alfred Weber, Alexander Plack, Shukang Zhang, Mehran Javadi, Annett Wollmann

Clausthal University of Technology, Germany

12:45pm - 1:00pm
FR2-2: 1

Optimized Source Apportionment Using Total Carbon and Black Carbon Measurements: Integrating Multidimensional BC-Tracer and AAE Models

Martin Rigler¹, Matic Ivančič¹, Iasonas Stavroulas², Eleni Liakakou³, Georgios Grivas³, Panayiotis Kalkavouras³, Nikolaos Mihalopoulos³, Lara Bubola¹, Bálint Alföldy¹, Gašper Lavrič¹, Asta Gregorič¹

¹Aerosol d.o.o., Slovenia; ²Center for Atmospheric Research, University of Nova Gorica, Nova Gorica – 5000, Slovenia; ³National Observatory of Athens, Athens – 11527, Greece

1:00pm - 1:15pm
FR2-2: 2

Seasonal and wildfire biomass burning impact on gas-fuel heated northern European megacity: brown carbon apportionment

Marina Chichaeva¹, Olga Popovicheva¹, Roman Kovach¹, Ying Tsai², Evangelina Diapouli³, Nikolai Kasimov¹

¹Moscow State University, Russian Federation; ²Chia Nan University of Pharmacy and Science, Taiwan; ³Institute of Nuclear and Radiological Science & Technology, Energy & Safety, Greece

1:15pm - 1:30pm
FR2-2: 3

Is fossil fuel combustion still a major contributor to atmospheric aerosol carbonaceous fractions in the Po Valley? Results from a 14C-based source apportionment.

Francesca Salteri^1,4, Federica Crova¹, Serena Barone², Giulia Calzolai², Alice Forello¹, Mariaelena Fedi², Lucia Liccioli², Dario Massabò³, Federico Mazzei³, Paolo Prati³, Gianluigi Valli¹, Roberta Vecchi¹, Vera Bernardoni¹

¹Department of Physics – Università degli Studi di Milano and INFN, Milan, Italy; ²INFN (Istituto Nazionale di Fisica Nucleare), Florence, Italy; ³Department of Physics – Università degli Studi di Genova and INFN, Genoa, Italy; ⁴Now at: Paul Scherrer Institute PSI, Villigen, Switzerland

1:30pm - 1:45pm
FR2-2: 4

Novel Framework for Assessing Regional Wildfires Contributions to Biomass Burning Aerosol Optical Depth

Michalina Anna Broda¹, Olga Zawadzka-Mańko¹, Krzysztof Mirosław Markowicz¹, Peng Xian², Edward Hyer²

¹Institute of Geophysics, University of Warsaw, Poland; ²Marine Meteorology Division, Naval Research Laboratory, U.S.

1:45pm - 2:00pm
FR2-2: 5

Chloride Emissions from Post-Harvest Crop Residue Burning in the Indo-Gangetic Plains: Impacts on Ambient Chloride Concentrations in Delhi

Umer Ali¹, Vikram Singh¹, Anjanay Pandey¹, Mohd Faisal^1,2, Ajit Kumar³, Mayank Kumar³

¹Department of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India; ²Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Aargau 5232 Switzerland; ³Department of Mechanical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India

12:45pm - 1:00pm
FR2-3: 1

KM-SUB-OP: A kinetic model of aerosol oxidative potential

Ashmi Mishra¹, Steven Lelieveld¹, Steven Campbell², Deepchandra Srivastava³, Grazia Lanzafame⁴, Sophie Tomaz⁵, Olivier Favez⁴, Nicolas Bonnaire⁶, Franco Lucarelli⁷, Laurent Alleman⁸, Gaelle Uzu⁹, Jean-Luc Jaffrezo⁹, Gang Chen², David Green², Max Priestman², Anja Tremper², Alexandre Barth¹⁰, Markus Kalberer¹⁰, Benjamin Bandowe¹, Gerhard Lammel¹, Ulrich Pöschl¹, Pourya Shahpoury¹¹, Alexandre Albinet⁴, Thomas Berkemeier¹

¹Department of Multiphase Chemistry, Max Planck Institute for Chemistry, Mainz, 55128, Germany; ²MRC Centre for Environment and Health, Imperial College London, 86 Wood Lane, London W12 0BZ, UK; ³School of Geography Earth and Environmental Science, University of Birmingham, Birmingham B15 2TT, UK; ⁴Institut National de L'Environnement Industriel et des Risques (INERIS), Verneuil en Halatte, France; ⁵INRS, 1 rue du Morvan CS 60027, 54519, Vandoeuvre-lès-Nancy, France; ⁶Laboratoire des Sciences du Climat et de l'Environnement, CNRS-CEA-UVSQ, Gif-sur-Yvette, 91191, France; ⁷University of Florence, Dipartimento di Fisica Astronomia, 50019 Sesto Fiorentino, Italy; ⁸IMT Nord Europe, Université de Lille, Centre for Energy and Environnement, 59000 Lille, France; ⁹Institut des Géosciences de l'Environnement, IGE, UMR 5001, F-38000 Grenoble, France; ¹⁰Department of Environmental Sciences, University of Basel, 4056 Basel, Switzerland; ¹¹Environmental and Life Sciences, Trent University, Peterborough, Canada

1:00pm - 1:15pm
FR2-3: 2

Exploring the human health effects of indoor air pollutants using cellular and acellular approaches

Aristeidis Voliotis¹, Mathilde Delaval², Steven J Campbell³, Raghad F D Aldulaymi⁴, Cyrill Bussy⁵, Ka R. Y. Cheung⁶, Joseph Bainbridge¹, Dawei Hu¹, Rongrong Wu¹, Gordon McFiggans¹, James Allan¹, Markus Kalberer⁶

¹The University of Manchester, United Kingdom; ²Helmholtz Zentrum München, Germany; ³Imperial College London, United Kingdom; ⁴Division of Cardiovascular Sciences, University of Manchester, United Kingdom; ⁵Division of Immunology, Immunity to Infection and Respiratory Medicine, University of Manchester, United Kingdom; ⁶University of Basel, Switzerland

1:15pm - 1:30pm
FR2-3: 3

An Integrated Multiple Approach to Investigate the Complexity of OP Source Apportionment

Lorenzo Massimi^1,2, Maria Agostina Frezzini³, Caterina Tiraboschi^1,4, Giulia Simonetti⁵, Alice Zara¹, Marco Vecchiocattivi⁶, Mara Galletti⁷, Emanuele Vaccarella¹, Adriana Pietrodangelo², Cinzia Perrino², Silvia Canepari^1,2

¹Department of Environmental Biology, Sapienza University of Rome; ²C.N.R. Institute of Atmospheric Pollution Research; ³ARPA Lazio, Regional Environmental Protection Agency; ⁴Department of Public Health and Infectious Diseases, Sapienza University of Rome; ⁵Department of Chemistry, Sapienza University of Rome; ⁶ARPA Umbria, Regional Environmental Protection Agency; ⁷Italian Ministry of Health

1:30pm - 1:45pm
FR2-3: 4

Role of chemical compositions in oxidative potential of airborne dust in INQUIRE homes from the UK, Slovenia and Sweden

Alexander Zherebker¹, Matthew Williams¹, Dagmar Waiblinger², Rosie McEachan², David Kocman³, Janja Tratnik³, Rok Novak³, Neža Palir³, Anna-Sofia Preece⁴, Evangelia Chatzidiakou¹, Chiara Giorio¹

¹University of Cambridge, United Kingdom; ²Bradford Institute for Health Research, United Kingdom; ³Jožef Stefan Institute, Slovenia; ⁴Karlstad University, Sweden

1:45pm - 2:00pm
FR2-3: 5

Development of a Portable Electrochemical Sensor for Real-Time Monitoring of Atmospheric Aerosol Oxidative Activity

Maria Cerrato-Alvarez¹, Daniel Alba-Elena¹, Lucía Fernández-Santiso¹, Carolina Hernández², 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); ²Department of Inorganic, Organic and Biochemical Chemistry, Faculty of Environmental Sciences and Biochemistry, Inamol, UCLM; ³Department of Physical Chemistry, Higher Technical School of Industrial Engineering, UCLM

12:45pm - 1:00pm
FR2-4: 1

Combination of multiway data image analysis for improved characterisation of air pollution

Jonas Sjöblom¹, Per Malmberg¹, Sara Janhäll^1,2, Elias Ranjbari¹, Mats Josefson³

¹Chalmers university of technology, Sweden; ²RISE – Research Institute of Sweden, Gothenburg, Sweden; ³AstraZeneca, Sweden

1:00pm - 1:15pm
FR2-4: 2

Optical Properties and Fluorescent Composition of Soluble Brown Carbon in Urban Areas of East Asia

Yueh-Ling Hung¹, Yu-Hsiang Cheng², Ji-Lin Shen³, Yu-Chieh Ting¹

¹Graduate Institute of Environmental Engineering, National Taiwan University, Taipei, Taiwan; ²Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei, Taiwan; ³Department of Physics, Chung Yuan Christain University, Taoyuan, Taiwan

1:15pm - 1:30pm
FR2-4: 3

Chemistry of Aged Atmospheric Bioaerosols; Laboratory Research

Vera Samburova^1,2, Palina Bahdanovich^1,2, Kevin Axelrod³, Andrey Khlystov¹

¹Desert Research Institute, Reno, Nevada, United States of America; ²University of Nevada Reno, Reno, Nevada, United States of America; ³York University, Toronto, ON, Canada

1:30pm - 1:45pm
FR2-4: 4

Unraveling Seasonal Trends in PM10 Organic Aerosols Using Nuclear Magnetic Resonance (NMR) Spectroscopy: A Study from Mumbai, India

Shweta Chandrashekhar Sakpal, Avik Kumar Sam, Rajdeep Singh, Ashutosh Kumar, Harish C. Phuleria

Indian Institute of Technology Bombay, India

1:45pm - 2:00pm
FR2-4: 5

Chemical characterization of long-range transported wildfire aerosol plumes reaching Jungfraujoch (3571 m asl, Switzerland)

Leïla Simon¹, Benjamin Tobias Brem¹, Nora Nowak¹, Robin Modini¹, David Bell¹, Stefan Reimann², Martin Steinbacher², Stephan Henne², Martine Collaud Coen³, Martin Gysel-Beer¹

¹PSI Center for Energy and Environmental Sciences, 5232 Villigen PSI, Switzerland; ²Laboratory for Air Pollution/Environmental Technology, Empa, 8600 Dübendorf, Switzerland; ³Federal Office of Meteorology and Climatology, MeteoSwiss, CH-1530 Payerne, Switzerland

12:45pm - 1:00pm
FR2-5: 1

Impact of forest management on biogenic volatile organic compounds emission and secondary organic aerosol formation from a boreal forest

Yiwei Gong¹, Cheng Wu^2,3,4, Radovan Krejci^3,4, Claudia Mohr^1,3,4,5

¹Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland; ²Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden; ³Department of Environmental Science, Stockholm University, Stockholm, Sweden; ⁴Bolin Centre for Climate Research, Stockholm University, 11418 Stockholm, Sweden; ⁵Department of Environmental System Science, ETH Zürich, 8006 Zürich, Switzerland

1:00pm - 1:15pm
FR2-5: 2

The fate of organic aerosol in the presence of fog in the Italian Po Valley

Yvette Gramlich¹, Fredrik Mattsson^2,3, Sophie L. Haslett^2,3, Liine Heikkinen^2,3, Almuth Neuberger^2,3, Marco Paglinoe⁴, Matteo Rinaldi⁴, Jing Cai^5,6, Nora Zannoni⁴, Angela Marinoni⁴, Sarah Steimer^2,3, Ilona Riipinen^2,3, Paul Zieger^2,3, Stefano Decesari⁴, Claudia Mohr^1,7

¹PSI Center for Energy and Environmental Sciences, 5232 Villigen PSI, Switzerland; ²Department of Environmental Science, Stockholm University, 11418 Stockholm, Sweden; ³Bolin Centre for Climate Research, Stockholm University, 11418 Stockholm, Sweden; ⁴Italian National Research Council-Institute of Atmospheric Sciences and Climate, 40129 Bologna, Italy; ⁵Institute for Atmospheric and Earth System Research, University of Helsinki, 00014 Helsinki, Finland; ⁶Nanjing University of Information Science & Technology, China; ⁷Department of Environmental Systems Science, ETH Zürich, 8006 Zürich, Switzerland

1:15pm - 1:30pm
FR2-5: 3

Characterization of Secondary Organic Aerosols in an urban forest in São Paulo, Brazil, using CHARON-PTR-ToF-MS.

Olatunde Murana¹, Sebastien Dusanter¹, Joel F. de Brito¹, Marina Jamar¹, Veronique Riffault¹, Adalgiza Fornaro², Agnes Borbon³

¹IMT Nord Europe, Institut Mines-Télécom, Univ. Lille, Centre for Energy and Environment, 59000, Lille, France;; ²Dept. Ciências Atmosféricas, Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Univ. São Paulo (IAG-USP), 05508-090, Brazil;; ³Univ: Clermont Auvergne, CNRS, LaMP, OPGC, F-63000, Clermont-Ferrand, France

1:30pm - 1:45pm
FR2-5: 4

Molecular Insights into Seasonal Trends in Organic Gases and Particle in a Polluted Megacity: From Anthropogenic to Biogenic emissions

LU QI^1,2, Zhenzhen Niu³, ChuanPing Lee², Liwei Wang², Shaofei Kong³, Qiyuan Wang⁴, Junji Cao⁵, Andre Prevot², Jay Slowik²

¹Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, Finland; ²Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen PSI, Switzerland; ³Department of Atmospheric Sciences, China University of Geosciences, Wuhan, China; ⁴Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, China; ⁵Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China

1:45pm - 2:00pm
FR2-5: 5

Tracking the Aging of Biomass Burning Organic Aerosols: Molecular Insights from Punjab’s Stubble Fires and Their Implications for South Asia’s Haze

Yufang Hao¹, Vikas Goel², Anjanay Pandey³, Ajit Kumar³, Mohammad Faisal^1,3, Umer Ali², Abhishek Kumar Upadhyay¹, Peeyush Khare¹, Manos Manousakas¹, Jens Top¹, Mihnea Surdu¹, David Bell¹, Lu Liu¹, Siyao Yue¹, Qizhi Xu¹, Imtiaz Ahmed⁴, Rishabh Singh⁴, Padam .⁴, Sumit Kumar Mishra⁴, Mayank Kumar², Vikram Singh³, Jay Gates Slowik¹, Imad El Haddad¹, Andre Prevot¹, Kaspar Rudolf Dällenbach¹

¹Paul Scherre Institute, Switzerland; ²Department of Mechanical Engineering, Indian Institute of Technology Delhi, New Delhi, India; ³Department of Chemical Engineering, Indian Institute of Technology Delhi, New Delhi, India; ⁴Academy of Scientific and Innovative Research (AcSIR), India