Articles | Volume 25, issue 1
https://doi.org/10.5194/acp-25-347-2025
https://doi.org/10.5194/acp-25-347-2025
Research article
 | 
09 Jan 2025
Research article |  | 09 Jan 2025

Opposing trends in the peak and low ozone concentrations in eastern China: anthropogenic and meteorological influences

Zhuang Wang, Chune Shi, Hao Zhang, Xianguang Ji, Yizhi Zhu, Congzi Xia, Xiaoyun Sun, Xinfeng Lin, Shaowei Yan, Suyao Wang, Yuan Zhou, Chengzhi Xing, Yujia Chen, and Cheng Liu

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Cited articles

Bao, J., Li, H., Wu, Z., Zhang, X., Zhang, H., Li, Y., Qian, J., Chen, J., and Deng, L.: Atmospheric carbonyls in a heavy ozone pollution episode at a metropolis in Southwest China: Characteristics, health risk assessment, sources analysis, J. Environ. Sci.-China, 113, 40–54, https://doi.org/10.1016/j.jes.2021.05.029, 2022. 
Bauwens, M., Verreyken, B., Stavrakou, T., Müller, J. F., and Smedt, I. D.: Spaceborne evidence for significant anthropogenic VOC trends in Asian cities over 2005–2019, Environ. Res. Lett., 17, 015008, https://doi.org/10.1088/1748-9326/ac46eb, 2022. 
Bloomer, B. J., Stehr, J. W., Piety, C. A., Salawitch, R. J., and Dickerson, R. R.: Observed relationships of ozone air pollution with temperature and emissions, Geophys. Res. Lett., 36, L09803, https://doi.org/10.1029/2009gl037308, 2009. 
Chan, K. L., Wang, S., Liu, C., Zhou, B., Wenig, M. O., and Saiz-Lopez, A.: On the summertime air quality and related photochemical processes in the megacity Shanghai, China, Sci. Total Environ., 580, 974–983, https://doi.org/10.1016/j.scitotenv.2016.12.052, 2017. 
Chinese State Council: Action Plan on Air Pollution Prevention and Control, http://www.gov.cn/zwgk/2013-09/12/content_2486773.htm (last access: 1 January 2024), 2013 (in Chinese). 
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This study attempts to explain the surface ozone background and typical and peak trends in eastern China by combining a large number of ground-based and satellite observations. We found diametrically opposed trends in peak (decreasing) and low (increasing) ozone concentrations. Anthropogenic emissions primarily drive trends in low and peak ozone concentrations in eastern China, though meteorological effects also play a role.
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