Articles | Volume 22, issue 13
https://doi.org/10.5194/acp-22-8701-2022
https://doi.org/10.5194/acp-22-8701-2022
Research article
 | 
06 Jul 2022
Research article |  | 06 Jul 2022

Nine-year trends of PM10 sources and oxidative potential in a rural background site in France

Lucille Joanna Borlaza, Samuël Weber, Anouk Marsal, Gaëlle Uzu, Véronique Jacob, Jean-Luc Besombes, Mélodie Chatain, Sébastien Conil, and Jean-Luc Jaffrezo

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Latest update: 13 Dec 2024
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Short summary
A 9-year dataset of the chemical and oxidative potential (OP) of PM10 was investigated at a rural background site. Extensive source apportionment led to identification of differences in source impacts between mass and OP, underlining the importance of PM redox activity when considering health effects. The influence of mixing and ageing processes was also tackled. Traffic contributions have decreased here over the years, attributed to regulations limiting vehicular emissions in bigger cities.
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