Articles | Volume 22, issue 18
Atmos. Chem. Phys., 22, 12207–12220, 2022
https://doi.org/10.5194/acp-22-12207-2022
Atmos. Chem. Phys., 22, 12207–12220, 2022
https://doi.org/10.5194/acp-22-12207-2022
Research article
19 Sep 2022
Research article | 19 Sep 2022

The effect of COVID-19 restrictions on atmospheric new particle formation in Beijing

Chao Yan et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2021-1079', Anonymous Referee #1, 18 Feb 2022
  • RC2: 'Comment on acp-2021-1079', Anonymous Referee #2, 31 May 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by C. Yan on behalf of the Authors (11 Jul 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (27 Jul 2022) by Kelley Barsanti
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Short summary
Atmospheric new particle formation (NPF) is a dominant source of atmospheric ultrafine particles. In urban environments, traffic emissions are a major source of primary pollutants, but their contribution to NPF remains under debate. During the COVID-19 lockdown, traffic emissions were significantly reduced, providing a unique chance to examine their relevance to NPF. Based on our comprehensive measurements, we demonstrate that traffic emissions alone are not able to explain the NPF in Beijing.
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