1:15pm - 1:30pm
WE3-3: 1

Year-Long Source Apportionment of PM2.5 in Delhi: Insights from One of the World's Most Polluted Environments

Mohd Faisal^1,2, Ajit Kumar³, Umer Ali², Mayank Kumar³, Vikram Singh², Andre Prevot¹

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

1:30pm - 1:45pm
WE3-3: 2

Chemical Composition and Source Attribution of PM10 and PM2.5 in an Urban Arid Region: Natural and Anthropogenic Contributions

M. Rami Alfarra, Shamjad P. Moosakutty, Azhar Siddique

Qatar Environment and Energy Research Institute, Hamad Bin Khalifa University, Qatar

1:45pm - 2:00pm
WE3-3: 3

Characterizing aerosol composition, size distribution and optical properties in the Western Italian Alps: insights into pollution sources and transport processes

Eleonora Favaro¹, Elena Barbaro², Henri Diémoz³, Stefano Bertinetti⁴, Mery Malandrino⁴, Alexis Foretier⁵, Silvia Ferrarese⁵, Annachiara Bellini³, Michele Freppaz⁶, Raffaella Balestrini⁷, Mara Bortolini¹, Andrei Munteanu¹, Stefano Frassati¹, Matteo Marafante⁴, Eros Mariani⁸, Paolo Bonasoni⁹, Francesco Petracchini¹⁰, Luigi Mazari¹⁰, Antonello Provenzale¹¹, Stefania Gilardoni², Andrea Gambaro¹, Matteo Feltracco¹

¹Dept. of Environmental Sciences, Informatics and Statistics, Ca’ Foscari University of Venice, Venice 30172, Italy; ²Insitute of Polar Sciences, National Research Council (CNR-ISP), Venice 30172, Italy; ³Atmosphere and Solar Radiation Department, Environmental Protection Agency (ARPA) of the Aosta Valley, Saint-Christophe 11020, Italy; ⁴Department of Chemistry, University of Turin, Turin 10125, Italy; ⁵Department of Physics, University of Turin, Turin 10125, Italy; ⁶Department of Agricultural, Forest and Food Sciences, University of Turin, Turin 10124, Italy; ⁷Institute of Water Research, National Research Council (CNR-IRSA), Brugherio 20861, Italy; ⁸Milan Research Area, National Research Council, Milan 20133, Italy; ⁹Institute of Atmospheric Sciences and Climate, National Research Council (CNR-ISAC), Bologna 40129, Italy; ¹⁰Department of Earth System Sciences and Environmental Technologies, National Research Council (CNR- DSSTTA), Rome 00185, Italy; ¹¹Institute of Geosciences and Georesources, National Research Council, (CNR-IGG), Turin 10125, Italy

2:00pm - 2:15pm
WE3-3: 4

Chemical-physics PM characterization in Milan: the role of different primary and secondary sources

Cristina Colombi, Beatrice Biffi, Eleonora Cuccia, Umberto Dal Santo

ARPA Lombardia, Italy

2:15pm - 2:30pm
WE3-3: 5

Size-resolved source apportionment of aerosol particles at two contrasting sites in North Africa

Nabil Deabji¹, Khanneh Wadinga Fomba¹, Laurent Poulain¹, Abdelwahid Mellouki², Hartmut Herrmann¹

¹Leibniz Institute for Tropospheric Research, Germany (TROPOS); ²Mohammed VI Polytechnic University, Lot 660 Ben Guerir, 43150, Morocco

2:30pm - 2:45pm
WE3-3: 6

Supervised Regression Models for Aerosol Source Identification: A Scalable Approach for European Sites

Andrei-Valentin Dandocsi^1,2, Jeni Vasilescu¹, Jean-Eudes Petit³, Mohamed Gherras⁴, Gang Chen⁵, Kaspar Rudolf Dällenbach⁶

¹National Institute of Research and Development for Optoelectronics - INOE 2000, Romania; ²UNST Politehnica of Bucharest, Bulevardul Iuliu Maniu 1-3, Bucharest, 061071, Bucharest, Romania; ³Laboratoire des Sciences du Climat et de l'Environnement, CNRS-CEA-UVSQ, Université Paris-Saclay, 91191 Gif- sur-Yvette, France; ⁴INERIS, Verneuil en Halatte, France; ⁵MRC Centre for Environment and Health,Environmental Research Group, Imperial College London, London, W12 0BZ, UK; ⁶Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland