Articles | Volume 26, issue 4
https://doi.org/10.5194/acp-26-3185-2026
© 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-26-3185-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Mar 2026
Research article |
| 03 Mar 2026
| 03 Mar 2026
Characteristics and processing of aqueous secondary organic aerosols during autumn in suburban Eastern China: role of aerosol liquid water, aerosol acidity, and photochemistry
Qiu Wang
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
National Observation and Research Station for Atmospheric Processes and Environmental Change in Yangtze River Delta, Nanjing, 210023, China
Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing, 210023, China
Weiqi Xu
State Key Laboratory of Atmospheric Environment and Extreme Meteorology, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
Jinbo Wang
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
now at: National Satellite Meteorological Center, China Meteorological Administration, Beijing 100081, China
Dafeng Ge
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
Caijun Zhu
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
Chuanhua Ren
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
Jiaping Wang
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
National Observation and Research Station for Atmospheric Processes and Environmental Change in Yangtze River Delta, Nanjing, 210023, China
Qiaozhi Zha
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
National Observation and Research Station for Atmospheric Processes and Environmental Change in Yangtze River Delta, Nanjing, 210023, China
Ximeng Qi
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
National Observation and Research Station for Atmospheric Processes and Environmental Change in Yangtze River Delta, Nanjing, 210023, China
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
National Observation and Research Station for Atmospheric Processes and Environmental Change in Yangtze River Delta, Nanjing, 210023, China
Xuguang Chi
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
National Observation and Research Station for Atmospheric Processes and Environmental Change in Yangtze River Delta, Nanjing, 210023, China
Sijia Lou
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
National Observation and Research Station for Atmospheric Processes and Environmental Change in Yangtze River Delta, Nanjing, 210023, China
Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing, 210023, China
Xin Huang
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
National Observation and Research Station for Atmospheric Processes and Environmental Change in Yangtze River Delta, Nanjing, 210023, China
Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing, 210023, China
Aijun Ding
School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China
National Observation and Research Station for Atmospheric Processes and Environmental Change in Yangtze River Delta, Nanjing, 210023, China
Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing, 210023, China
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Short summary
The sources and formation mechanisms of aqueous secondary organic aerosol (aqSOA) remain unclear. This study investigates the characteristics and processing of aqSOA in polluted suburban environments in Eastern China. The results highlight the critical roles of nitrate, aerosol liquid water, acidity, and photochemistry in aqSOA formation and contribute to an improved understanding of aqSOA formation in polluted environments.
The sources and formation mechanisms of aqueous secondary organic aerosol (aqSOA) remain...
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