Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 15
Articles | Volume 25, issue 15
https://doi.org/10.5194/acp-25-8701-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-8701-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 15
Research article
 | 
11 Aug 2025
Research article |  | 11 Aug 2025

Impacts of wildfire smoke aerosols on near-surface ozone photochemistry

Jiaqi Shen, Ronald C. Cohen, Glenn M. Wolfe, and Xiaomeng Jin

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Short summary
This study shows large chemical and radiative effects of smoke aerosols from fires on near-surface ozone production. Aerosol loading and NOx levels are identified as the primary factors influencing these effects. Furthermore, we show that the ratio of surface PM2.5 to NO2 tropospheric column can be used as an indicator for identifying aerosol-dominated regimes, facilitating the assessment of aerosol impacts on ozone formation through satellite observations.
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