Ground-level ozone pollution in China: A synthesis of recent findings on 
influencing factors and impacts

Wang, Tao; Xue, Likun; Feng, Zhaozhong; Dai, Jianing; Zhang, Yingnan; Tan, Yue

doi:10.1088/1748-9326/ac69fe

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Ground-level ozone pollution in China: A synthesis of recent findings on influencing factors and impacts

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Dai, Jianing
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Environmental Modelling, MPI for Meteorology, Max Planck Society;

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Citation

Wang, T., Xue, L., Feng, Z., Dai, J., Zhang, Y., & Tan, Y. (2022). Ground-level ozone pollution in China: A synthesis of recent findings on influencing factors and impacts. Environmental Research Letters, 17: 063003. doi:10.1088/1748-9326/ac69fe.

Cite as: https://hdl.handle.net/21.11116/0000-000A-99F2-8

Abstract

Ozone (O3) in the troposphere is an air pollutant and a greenhouse gas. In mainland China, after the Air Pollution Prevention and Action Plan was implemented in 2013 - and despite substantial decreases in the concentrations of other air pollutants - ambient O3 concentrations paradoxically increased in many urban areas. The worsening urban O3 pollution has fuelled numerous studies in recent years, which have enriched knowledge about O3-related processes and their impacts. In this article, we synthesise the key findings of over 500 articles on O3 over mainland China that were published in the past six years in English-language journals. We focus on recent changes in O3 concentrations, their meteorological and chemical drivers, complex O3 responses to the drastic decrease in human activities during coronavirus disease 2019 lockdowns, several emerging chemical processes, impacts on crops and trees, and the latest government interventions. © 2022 The Author(s). Published by IOP Publishing Ltd.