Articles | Volume 21, issue 21
Atmos. Chem. Phys., 21, 16363–16386, 2021
https://doi.org/10.5194/acp-21-16363-2021
Atmos. Chem. Phys., 21, 16363–16386, 2021
https://doi.org/10.5194/acp-21-16363-2021

Research article 08 Nov 2021

Research article | 08 Nov 2021

Spatiotemporal variability in the oxidative potential of ambient fine particulate matter in the Midwestern United States

Haoran Yu 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-2021-376', Anonymous Referee #2, 21 Jun 2021
  • CC1: 'Litterature comment on acp-2021-376', Samuel Weber, 29 Jun 2021
  • RC2: 'Comment on acp-2021-376', Anonymous Referee #1, 02 Jul 2021
  • AC1: 'Author'Comment on acp-2021-376', Haoran Yu, 24 Aug 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Haoran Yu on behalf of the Authors (31 Aug 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (02 Sep 2021) by Timothy Bertram
RR by Anonymous Referee #2 (16 Sep 2021)
RR by Anonymous Referee #1 (21 Sep 2021)
ED: Publish as is (23 Sep 2021) by Timothy Bertram
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Short summary
We assessed the oxidative potential (OP) of ambient PM2.5 collected from many sites in the US Midwest through multiple acellular endpoints. Compared to homogeneously distributed PM2.5, OP showed higher spatiotemporal variation. Poor correlations for the regression between mass and OP indicated a limited role of mass in determining the OP. Moreover, weak correlations among different OP endpoints justify the need for using multiple assays to determine oxidative levels of particles.
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