Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 14
Articles | Volume 26, issue 14
https://doi.org/10.5194/acp-26-10101-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-10101-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 14
Research article
 | 
17 Jul 2026
Research article |  | 17 Jul 2026

Reconstructed VOC emissions reveal hidden ozone precursors: Overlooked roles of primary OVOCs and unmeasured species

Sijia Yin, Gan Yang, Chuang Li, Qingyan Fu, Juntao Huo, Yuruo Fu, Rengqi Yan, Lei Yao, and Lin Wang

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Short summary
Estimating ozone formation potential from ambient volatile organic compound observations introduces bias by ignoring photochemical aging. Reconstructed initial emissions for a Shanghai suburban site reveal that primary oxygenated compounds and unmeasured species constitute 40.8 % and 12.6 % of total emissions, respectively. These overlooked precursors exhibit ozone formation capacity comparable to non-methane hydrocarbons, highlighting the need to include them in mitigation strategies.
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