Articles | Volume 21, issue 3
https://doi.org/10.5194/acp-21-1375-2021
https://doi.org/10.5194/acp-21-1375-2021
Measurement report
 | 
02 Feb 2021
Measurement report |  | 02 Feb 2021

Measurement report: aerosol hygroscopic properties extended to 600 nm in the urban environment

Chuanyang Shen, Gang Zhao, Weilun Zhao, Ping Tian, and Chunsheng Zhao

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Short summary
Submicron particles larger than 300 nm dominate the aerosol light extinction and mass concentration in the urban environment. Aerosol hygroscopic properties extended to 600 nm were investigated at an urban site. Our results find that there exists a large fraction of a less hygroscopic group above 300 nm, and the hygroscopicity in this size range is enhanced significantly with the development of pollution levels. The hygroscopicity variation contributes greatly to the low visibility.
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