Daytime atmospheric oxidation capacity in four Chinese megacities during the photochemically polluted season: a case study based on box model simulation
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, College of Environmental Sciences and Engineering, Peking
University, Beijing 100871, China
Institute of Energy and Climate Research, IEK-8: Troposphere,
Forschungszentrum Jülich GmbH, Jülich, Germany
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, College of Environmental Sciences and Engineering, Peking
University, Beijing 100871, China
Meiqing Jiang
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, College of Environmental Sciences and Engineering, Peking
University, Beijing 100871, China
Rong Su
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, College of Environmental Sciences and Engineering, Peking
University, Beijing 100871, China
Hongli Wang
State Environmental Protection Key Laboratory of Formation and
Prevention of the Urban Air Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
State Environmental Protection Key Laboratory of Formation and
Prevention of the Urban Air Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Shanghai Environmental Monitoring Center, Shanghai 200235, China
Chongzhi Zhai
Ecological and Environmental Monitoring Center of Chongqing, Chongqing
401147, China
Qinwen Tan
Chengdu Academy of Environmental Sciences, Chengdu 610072, China
Dingli Yue
State Environmental Protection Key Laboratory of Regional Air Quality
Monitoring, Guangdong Environmental Monitoring Center, Guangzhou 510308,
China
Duohong Chen
State Environmental Protection Key Laboratory of Regional Air Quality
Monitoring, Guangdong Environmental Monitoring Center, Guangzhou 510308,
China
Zhanshan Wang
Beijing Key Laboratory of Atmospheric Particulate Monitoring
Technology, Beijing Municipal Environmental Monitoring Center, Beijing
100048, China
Shaodong Xie
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, College of Environmental Sciences and Engineering, Peking
University, Beijing 100871, China
Limin Zeng
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, College of Environmental Sciences and Engineering, Peking
University, Beijing 100871, China
State Key Joint Laboratory of Environmental Simulation and Pollution
Control, College of Environmental Sciences and Engineering, Peking
University, Beijing 100871, China
Beijing Innovation Center for Engineering Sciences and Advanced
Technology, Peking University, Beijing 100871, China
CAS Center for Excellence in Regional Atmospheric Environment,
Chinese Academy of Sciences, Xiamen 361021, China
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We evaluated the atmospheric oxidation capacity (AOC) in four Chinese megacities during photochemically polluted seasons. The chemical production of ozone and particle nitrate was diagnosed through a box model, which can be attributed to daytime radical chemistry. Our work highlights that the formation of both ozone and fine particles is largely driven by the atmospheric radical chemistry in China. Consequently, we suggest future pollution mitigation strategies should consider the role of AOC.
We evaluated the atmospheric oxidation capacity (AOC) in four Chinese megacities during...
