Articles | Volume 21, issue 9
Atmos. Chem. Phys., 21, 7039–7052, 2021
https://doi.org/10.5194/acp-21-7039-2021
Atmos. Chem. Phys., 21, 7039–7052, 2021
https://doi.org/10.5194/acp-21-7039-2021
Research article
07 May 2021
Research article | 07 May 2021

Enhancement of nanoparticle formation and growth during the COVID-19 lockdown period in urban Beijing

Xiaojing Shen et al.

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Latest update: 01 Dec 2022
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Short summary
In this work, we revealed the changes of PNSD and NPF events during the COVID-19 lockdown period in Beijing, China, to illustrate the impact of reduced primary emission and elavated atmospheric oxidized capicity on the nucleation and growth processes. The subsequent growth of nucleated particles and their contribution to the aerosol pollution formation were also explored, to highlight the necessity of controlling the nanoparticles in the future air quality management.
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