Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 13
Articles | Volume 26, issue 13
https://doi.org/10.5194/acp-26-10029-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-10029-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 13
Research article
 | 
16 Jul 2026
Research article |  | 16 Jul 2026

High yields of formic acid and acetic acid during multi-generational oxidation of toluene

Hengqing Shen, Liubin Huang, Yue Zhao, Min Zhao, Yu Yang, Huan Li, Huihui Wu, and Zhongming Chen

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Short summary
This study shows that the air pollutant toluene produces much more formic acid and acetic acid during atmospheric aging than previously thought. Laboratory experiments show these acids mainly form through multiple oxidation steps and are poorly represented in current models. This missing chemistry helps explain why models underestimate organic acids and highlights their role in air quality and climate.
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