Articles | Volume 25, issue 18
https://doi.org/10.5194/acp-25-11247-2025
© Author(s) 2025. 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-25-11247-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
25 Sep 2025
Research article |
| 25 Sep 2025
| 25 Sep 2025
Formation of chlorinated organic compounds from Cl atom-initiated reactions of aromatics and their detection in suburban Shanghai
Chuang Li
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
Yuwei Wang
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Mingliang Fang
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Xiaojia Chen
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Lihong Wang
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Yueyang Li
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Gan Yang
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP), Department of Environmental Science and Engineering, Jiangwan Campus, Fudan University, Shanghai 200438, China
Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
IRDR International Center of Excellence on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200438, China
National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Shanghai, 200433, China
Collaborative Innovation Center of Climate Change, Nanjing, 210023, China
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Lubna Dada, Ilona Ylivinkka, Rima Baalbaki, Chang Li, Yishuo Guo, Chao Yan, Lei Yao, Nina Sarnela, Tuija Jokinen, Kaspar R. Daellenbach, Rujing Yin, Chenjuan Deng, Biwu Chu, Tuomo Nieminen, Yonghong Wang, Zhuohui Lin, Roseline C. Thakur, Jenni Kontkanen, Dominik Stolzenburg, Mikko Sipilä, Tareq Hussein, Pauli Paasonen, Federico Bianchi, Imre Salma, Tamás Weidinger, Michael Pikridas, Jean Sciare, Jingkun Jiang, Yongchun Liu, Tuukka Petäjä, Veli-Matti Kerminen, and Markku Kulmala
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We rely on sulfuric acid measurements in four contrasting environments, Hyytiälä, Finland; Agia Marina, Cyprus; Budapest, Hungary; and Beijing, China, representing semi-pristine boreal forest, rural environment in the Mediterranean area, urban environment, and heavily polluted megacity, respectively, in order to define the sources and sinks of sulfuric acid in these environments and to derive a new sulfuric acid proxy to be utilized in locations and during periods when it is not measured.
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Short summary
Abundant chlorine-containing oxygenated organic molecules (Cl-OOMs) were formed from the reactions between Cl atoms and aromatics, and Cl-addition was identified as a non-negligible pathway for the formation of Cl-OOMs. Furthermore, many ambient Cl-OOMs potentially derived from Cl atoms and aromatics were measured in suburban Shanghai and most of them have adverse health effects. These findings provide critical insights into the formation mechanisms of Cl-OOMs in polluted settings.
Abundant chlorine-containing oxygenated organic molecules (Cl-OOMs) were formed from the...
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