Articles | Volume 25, issue 14
https://doi.org/10.5194/acp-25-8271-2025
https://doi.org/10.5194/acp-25-8271-2025
Research article
 | 
31 Jul 2025
Research article |  | 31 Jul 2025

Satellite detection of NO2 distributions using TROPOMI and TEMPO and comparison with ground-based concentration measurements

Summer Acker, Tracey Holloway, and Monica Harkey

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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 egusphere-2025-226', Anonymous Referee #1, 13 Feb 2025
    • AC1: 'Reply on RC1', Summer Acker, 17 Mar 2025
  • RC2: 'Comment on egusphere-2025-226', Anonymous Referee #2, 18 Apr 2025
    • AC2: 'Reply on RC2', Summer Acker, 18 Apr 2025

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Summer Acker on behalf of the Authors (28 Apr 2025)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (13 May 2025) by Anne Perring
RR by Anonymous Referee #1 (13 May 2025)
RR by Anonymous Referee #2 (21 May 2025)
ED: Publish as is (22 May 2025) by Anne Perring
AR by Summer Acker on behalf of the Authors (22 May 2025)  Manuscript 
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Short summary
We studied how well satellites detect nitrogen dioxide, a harmful air pollutant, compared with the EPA's ground monitors across the US. Both satellites performed best in areas far from roads, where pollution is lower and more uniform. The newer TEMPO satellite, with hourly data, agreed most closely with monitors at midday and performed better than TROPOMI, a satellite with daily measurements. These findings highlight the ability of satellites to complement existing ground-based monitors.
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