Articles | Volume 21, issue 9
Atmos. Chem. Phys., 21, 7343–7355, 2021
https://doi.org/10.5194/acp-21-7343-2021
Atmos. Chem. Phys., 21, 7343–7355, 2021
https://doi.org/10.5194/acp-21-7343-2021

Research article 12 May 2021

Research article | 12 May 2021

Modeled changes in source contributions of particulate matter during the COVID-19 pandemic in the Yangtze River Delta, China

Jinlong Ma et al.

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Latest update: 26 Oct 2021
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Short summary
Due to the reduced anthropogenic emissions during the COVID-19 lockdown, mainly from the transportation and industrial sectors, PM2.5 decreased significantly in the whole Yangtze River Delta (YRD) and its major cities. However, the contributions and relative importance of different source sectors and regions changed differently, indicating that control strategies should be adjusted accordingly for further pollution control.
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