Articles | Volume 23, issue 5
https://doi.org/10.5194/acp-23-3065-2023
https://doi.org/10.5194/acp-23-3065-2023
Research article
 | 
09 Mar 2023
Research article |  | 09 Mar 2023

Characteristics and degradation of organic aerosols from cooking sources based on hourly observations of organic molecular markers in urban environments

Rui Li, Kun Zhang, Qing Li, Liumei Yang, Shunyao Wang, Zhiqiang Liu, Xiaojuan Zhang, Hui Chen, Yanan Yi, Jialiang Feng, Qiongqiong Wang, Ling Huang, Wu Wang, Yangjun Wang, Jian Zhen Yu, and Li Li

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Short summary
Molecular markers in organic aerosol (OA) provide specific source information on PM2.5, and the contribution of cooking emissions to OA is significant, especially in urban environments. This study investigates the variation in concentrations and oxidative degradation of fatty acids and corresponding oxidation products in ambient air, which can be a guide for the refinement of aerosol source apportionment and provide scientific support for the development of emission source control policies.
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