Aerosol Research
Aerosol Research
Aerosol Research
Articles | Volume 4, issue 1
Articles | Volume 4, issue 1
https://doi.org/10.5194/ar-4-231-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ar-4-231-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 4, issue 1
Research article
 | 
11 Jun 2026
Research article |  | 11 Jun 2026

Assessing the sources of submicron airborne elements at two sites in the Fos-Marseille basin through rolling positive matrix factorization

Mathilde Brezins, Benjamin Chazeau, Nicolas Marchand, Amandine Durand, Grégory Gille, Romain Bourjot, Andre S. H. Prévôt, Jean-Luc Jaffrezo, Gaëlle Uzu, and Barbara D'Anna

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Short summary
The Marseille–Fos basin faces high anthropogenic pressure from industry and maritime and road transport combined with specific weather conditions that further degrade air quality. Our study focuses on fine metallic pollution, which can penetrate deep into the lungs and cause harmful effects. Using 1 year of measurements at two sites, we identified 10 main pollution sources, half directly linked to human activities, highlighting clear risks for the environment and public health.
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