Articles | Volume 26, issue 4
https://doi.org/10.5194/acp-26-2635-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-2635-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Feb 2026
Research article |
| 19 Feb 2026
| 19 Feb 2026
Growing role of secondary organic aerosol in the North China Plain from 2014 to 2024
Chunshui Lin
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Ru-Jin Huang
CORRESPONDING AUTHOR
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Institute of Global Environmental Change, School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Jing Duan
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Jing Qu
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Jiahua Liu
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Yi Liu
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Yan Luo
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Wei Huang
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China
Yanan Zhan
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Institute of Global Environmental Change, School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Zhitao Liu
Key Laboratory of Meteorology and Ecological Environment of Hebei Province, Shijiazhuang 050021, China
Weather Modification Office of Hebei Province, Shijiazhuang 052100, China
Sihan Liu
Key Laboratory of Meteorology and Ecological Environment of Hebei Province, Shijiazhuang 050021, China
Weather Modification Office of Hebei Province, Shijiazhuang 052100, China
Qingshuang Zhang
Shandong Province Dezhou Ecological Environment Monitoring Center, Dezhou 200235, China
State Key Laboratory of Severe Weather & Key Laboratory of Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
Zirui Liu
State Key Laboratory of Atmospheric Environment and Extreme Meteorology, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
Shengrong Lou
Key Laboratory of Formation and Prevention of Urban Air Pollution Complex, Ministry of Ecology and Environment, Shanghai Academy of Environmental Sciences, Shanghai 200233, China
School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
Huinan Yang
School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
Dan Dan Huang
Key Laboratory of Formation and Prevention of Urban Air Pollution Complex, Ministry of Ecology and Environment, Shanghai Academy of Environmental Sciences, Shanghai 200233, China
Cheng Huang
Key Laboratory of Formation and Prevention of Urban Air Pollution Complex, Ministry of Ecology and Environment, Shanghai Academy of Environmental Sciences, Shanghai 200233, China
Shanghai Environmental Monitoring Center, Shanghai 200235, China
Hongli Wang
Key Laboratory of Formation and Prevention of Urban Air Pollution Complex, Ministry of Ecology and Environment, Shanghai Academy of Environmental Sciences, Shanghai 200233, China
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Latest update: 21 Feb 2026
Short summary
Since China's 2013 Clean Air Act cut PM2.5 by over half, winter haze in the North China Plain persists partly due to secondary organic aerosols now dominating primary organic aerosol, requiring urgent regional cooperation to address model-underestimated chemical transformations and cross-border pollution.
Since China's 2013 Clean Air Act cut PM2.5 by over half, winter haze in the North China Plain...
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