Articles | Volume 21, issue 4
https://doi.org/10.5194/acp-21-2491-2021
© Author(s) 2021. 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-21-2491-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Feb 2021
Research article |
| 19 Feb 2021
| 19 Feb 2021
Dominant synoptic patterns associated with the decay process of PM2.5 pollution episodes around Beijing
Department of Atmospheric and Oceanic Sciences & Institute of Atmospheric Sciences, Fudan University, Shanghai, China
Big Data Institute for Carbon Emission and Environmental Pollution, Fudan University, Shanghai, China
Shanghai Institute of Pollution Control and Ecological Security, Shanghai, China
Renhe Zhang
Department of Atmospheric and Oceanic Sciences & Institute of Atmospheric Sciences, Fudan University, Shanghai, China
Big Data Institute for Carbon Emission and Environmental Pollution, Fudan University, Shanghai, China
Yanke Tan
Department of Atmospheric and Oceanic Sciences & Institute of Atmospheric Sciences, Fudan University, Shanghai, China
Big Data Institute for Carbon Emission and Environmental Pollution, Fudan University, Shanghai, China
Wei Yu
Department of Atmospheric and Oceanic Sciences & Institute of Atmospheric Sciences, Fudan University, Shanghai, China
Shanghai Ecological Forecasting and Remote Sensing Center, Shanghai, China
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30 citations as recorded by crossref.
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- Impact of Fengyun-4A Atmospheric Motion Vector Data Assimilation on PM2.5 Simulation K. Gu et al. https://doi.org/10.3390/rs17111952
- Quasi-Biweekly Oscillation of PM2.5 in Winter over North China and Its Leading Circulation Patterns X. Zhu & C. Yao https://doi.org/10.3390/rs15164069
- Attributing meteorological contributions to wintertime PM2.5 in China across synoptic weather patterns using machine learning Y. Zhang et al. https://doi.org/10.1016/j.atmosres.2026.109019
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- Can we reach consensus on the dominant sulfate formation pathway in China's haze? M. Liu et al. https://doi.org/10.1093/pnasnexus/pgae291
- Opposite trends of cold surges over South China Sea and Philippines Sea and their different impacts on PM2.5 in eastern China S. Zhang et al. https://doi.org/10.1016/j.scitotenv.2023.168454
- Meteorological factor contributions to the seesaw concentration pattern between PM2.5 and O3 in Shanghai Y. Sun & X. Wang https://doi.org/10.3389/fenvs.2022.1015723
- Three dominant synoptic atmospheric circulation patterns influencing severe winter haze in eastern China S. Zhang et al. https://doi.org/10.5194/acp-22-16017-2022
- Evolving regional transport of PM2.5 in Beijing–Tianjin–Hebei and its surrounding areas from 2013 to 2020 Y. Liu et al. https://doi.org/10.1088/1748-9326/ae2143
- Causation inference in complicated atmospheric environment Z. Chen et al. https://doi.org/10.1016/j.envpol.2022.119057
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- Process-informed machine learning for interpretable air-quality prediction in tropical coastal cities of Sulawesi, Indonesia A. Awaludin et al. https://doi.org/10.1016/j.atmosenv.2026.122207
- The role of temporal scales in extracting dominant meteorological drivers of major airborne pollutants M. Xu et al. https://doi.org/10.5194/acp-23-14065-2023
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- Atmospheric stagnation as the dominant driver of PM2.5 pollution episodes in Montevideo, Uruguay I. Franchi Bangueses & J. Cataldo https://doi.org/10.1016/j.uclim.2026.103025
- Celebrating the Tenth Anniversary of Fudan University’s Discipline of Atmospheric Sciences: Research Highlights and Progress R. Zhang et al. https://doi.org/10.1007/s00376-026-6148-8
- Long-term planetary boundary layer features and associated PM2.5 pollution anomalies in Beijing during the past 40 years Y. Yan et al. https://doi.org/10.1007/s00704-023-04356-w
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- Evolution of atmospheric age of particles and its implications for the formation of a severe haze event in eastern China X. Xie et al. https://doi.org/10.5194/acp-23-10563-2023
- Quasi-weekly oscillation of regional PM2.5 transport over China driven by the synoptic-scale disturbance of the East Asian winter monsoon circulation Y. Bai et al. https://doi.org/10.5194/acp-25-1273-2025
- Influence of Decadal Ocean Signals on Meteorological Conditions Associated With the Winter Haze Over Eastern China W. Zhang et al. https://doi.org/10.3389/fenvs.2021.727180
Saved (final revised paper)
Latest update: 17 Sep 2026
Short summary
The physical mechanisms of synoptic patterns affecting the decay process of air pollution episodes are investigated in this work. Three dominant circulation patterns are identified, which usually decrease the ambient PM2.5 concentrations by 27%–41% after they arrive around Beijing. Emission reductions led to a 4.3–5.7 μg (m3 yr-1)-1 decrease in PM2.5 concentrations around Beijing during 2014 to 2020.
The physical mechanisms of synoptic patterns affecting the decay process of air pollution...
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