Articles | Volume 21, issue 7
Atmos. Chem. Phys., 21, 5549–5573, 2021
https://doi.org/10.5194/acp-21-5549-2021

Special issue: In-depth study of air pollution sources and processes within...

Atmos. Chem. Phys., 21, 5549–5573, 2021
https://doi.org/10.5194/acp-21-5549-2021

Research article 12 Apr 2021

Research article | 12 Apr 2021

Atmospheric conditions and composition that influence PM2.5 oxidative potential in Beijing, China

Steven J. Campbell et al.

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Short summary
In this study, we quantify PM2.5 oxidative potential (OP), a metric widely suggested as a potential measure of particle toxicity, in Beijing in summer and winter using four acellular assays. We correlate PM2.5 OP with a comprehensive range of atmospheric and particle composition measurements, demonstrating inter-assay differences and seasonal variation of PM2.5 OP. Using multivariate statistical analysis, we highlight specific particle chemical components and sources that influence OP.
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