Articles | Volume 25, issue 10
https://doi.org/10.5194/acp-25-5355-2025
https://doi.org/10.5194/acp-25-5355-2025
Measurement report
 | 
28 May 2025
Measurement report |  | 28 May 2025

Measurement report: Long-term assessment of primary and secondary organic aerosols in the Shanghai megacity throughout China's Clean Air actions since 2010

Haifeng Yu, Yunhua Chang, Lin Cheng, Yusen Duan, and Jianlin Hu

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Cited articles

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Cao, J.-J., Wang, Q.-Y., Chow, J. C., Watson, J. G., Tie, X.-X., Shen, Z.-X., Wang, P., and An, Z.-S.: Impacts of aerosol compositions on visibility impairment in Xi'an, China, Atmos. Environ., 59, 559–566, https://doi.org/10.1016/j.atmosenv.2012.05.036, 2012. 
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This study presents long-term measurements and comprehensive analysis of carbonaceous aerosols in fine particles in Shanghai. We further estimated primary and secondary carbon levels, examining their temporal variations on interannual, monthly, seasonal, and diurnal scales. Through rigorous statistical analysis and correlation studies with meteorological parameters and pollutant concentrations, the origins, formation mechanisms, and spatial distribution patterns of secondary organic carbon were elucidated.
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