Articles | Volume 21, issue 2
Atmos. Chem. Phys., 21, 1341–1356, 2021
https://doi.org/10.5194/acp-21-1341-2021
Atmos. Chem. Phys., 21, 1341–1356, 2021
https://doi.org/10.5194/acp-21-1341-2021

Measurement report 01 Feb 2021

Measurement report | 01 Feb 2021

Measurement report: Effects of photochemical aging on the formation and evolution of summertime secondary aerosol in Beijing

Tianzeng Chen et al.

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Latest update: 02 Dec 2021
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Short summary
Effects of photochemical aging on the formation and evolution of summertime secondary aerosol were systematically investigated in a suburb of Beijing. Higher PM1 concentration accompanied longer photochemical age (ta). Sulfate and more-oxidized OOA formation were significantly sensitive to the increase in ta, and their contributions were greatly enhanced at elevated ta levels. Our results suggested that photochemical aging process played a crucial role in PM1 and O3 pollution in summertime.
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