Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 7
Articles | Volume 26, issue 7
https://doi.org/10.5194/acp-26-4901-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-4901-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 7
Research article
 | 
14 Apr 2026
Research article |  | 14 Apr 2026

Impact of primary oxygenated volatile organic compounds on ozone formation in the Yangtze River Delta region

Xun Li, Xuan Li, Rusha Yan, Yaqin Gao, Kangjia Gong, Hongli Wang, Momei Qin, Jianlin Hu, and Jingyi Li

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Short summary
An updated emission inventory, incorporating source-specific OVOC (Oxygenated volatile organic compound) profiles derived from measurements and the literature, is applied in an air quality model to improve OVOC simulations in a heavily polluted region. A substantial fraction of key OVOCs originates from anthropogenic sources and enhances hydroperoxyl radical production, thereby contributing to ozone formation. The results highlight the importance of accurately representing OVOC emissions in models to support ozone control strategies.
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