Articles | Volume 22, issue 10
Atmos. Chem. Phys., 22, 7029–7050, 2022
https://doi.org/10.5194/acp-22-7029-2022
Atmos. Chem. Phys., 22, 7029–7050, 2022
https://doi.org/10.5194/acp-22-7029-2022
Research article
01 Jun 2022
Research article | 01 Jun 2022

Linking Switzerland's PM10 and PM2.5 oxidative potential (OP) with emission sources

Stuart K. Grange et al.

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Short summary
Oxidative potential (OP), a biologically relevant metric for particulate matter (PM), was linked to PM10 and PM2.5 sources and constituents across Switzerland between 2018 and 2019. Wood burning and non-exhaust traffic emissions were identified as key processes that led to enhanced OP. Therefore, the make-up of the PM mix was very important for OP. The results highlight the importance of the management of wood burning and non-exhaust emissions to reduce OP, and presumably biological harm.
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