Articles | Volume 22, issue 6
https://doi.org/10.5194/acp-22-4101-2022
https://doi.org/10.5194/acp-22-4101-2022
Research article
 | 
29 Mar 2022
Research article |  | 29 Mar 2022

Impacts of aerosol–photolysis interaction and aerosol–radiation feedback on surface-layer ozone in North China during multi-pollutant air pollution episodes

Hao Yang, Lei Chen, Hong Liao, Jia Zhu, Wenjie Wang, and Xin Li

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Latest update: 14 Jun 2024
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Short summary
Aerosols can influence O3 through aerosol–radiation interactions, including aerosol–photolysis interaction (API) and aerosol–radiation feedback (ARF). The weakened photolysis rates and changed meteorological conditions reduce surface-layer O3 concentrations by up to 9.3–11.4 ppb, with API and ARF contributing 74.6 %–90.0 % and 10.0 %–25.4 % of the O3 decrease in three episodes, respectively, which indicates that API is the dominant way for O3 reduction related to aerosol–radiation interactions.
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