Articles | Volume 17, issue 8
https://doi.org/10.5194/acp-17-5079-2017
https://doi.org/10.5194/acp-17-5079-2017
Research article
 | 
19 Apr 2017
Research article |  | 19 Apr 2017

Real-time aerosol optical properties, morphology and mixing states under clear, haze and fog episodes in the summer of urban Beijing

Rui Li, Yunjie Hu, Ling Li, Hongbo Fu, and Jianmin Chen

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Five episodes were divided based on meteorological conditions and chemical composition. The clear episodes (EP-2 and EP-4) featured low light extinction with fewer pollutants, which are mostly externally mixed. In contrast, EP-1 and EP-5 were impacted by the industrial activities and biomass burning through the southern air mass, respectively. Soot at the fog period detected in EP-3 was mostly internally mixed with sulfates and nitrates.
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