Submicron aerosol composition in the world's most polluted megacity: the Delhi Aerosol Supersite study

Gani, Shahzad; Bhandari, Sahil; Seraj, Sarah; Wang, Dongyu S.; Patel, Kanan; Soni, Prashant; Arub, Zainab; Habib, Gazala; Hildebrandt Ruiz, Lea; Apte, Joshua S.

doi:https://doi.org/10.5194/acp-19-6843-2019

Articles | Volume 19, issue 10

https://doi.org/10.5194/acp-19-6843-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-19-6843-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 10

Research article

|

22 May 2019

Research article |

| 22 May 2019

Submicron aerosol composition in the world's most polluted megacity: the Delhi Aerosol Supersite study

Shahzad Gani, Sahil Bhandari, Sarah Seraj, Dongyu S. Wang, Kanan Patel, Prashant Soni, Zainab Arub, Gazala Habib, Lea Hildebrandt Ruiz, and Joshua S. Apte

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Final revised paper (published on 22 May 2019)
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Preprint (discussion started on 15 Nov 2018)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Comments on Gani et al.', Anonymous Referee #1, 29 Nov 2018
RC2: 'acp-2018-1066 refree comment', Anonymous Referee #2, 29 Nov 2018
RC3: 'Review of Gani et al.', Anonymous Referee #3, 20 Dec 2018
AC1: 'Author comment: final response to referees', Joshua Apte, 08 Mar 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Joshua Apte on behalf of the Authors (07 Apr 2019) Author's response Manuscript

ED: Publish as is (17 Apr 2019) by Alex Lee

AR by Joshua Apte on behalf of the Authors (28 Apr 2019)

Short summary

Delhi experiences particulate matter concentrations that are among the highest in the world. We conducted a long-term campaign to make highly time-resolved measurements of submicron particle (PM₁) chemical composition in Delhi. Our dataset illuminates key sources and atmospheric processes that impact Delhi's PM₁ concentrations, with sharp differences among seasons and between day and night. In addition to local sources, Delhi's PM₁ levels are amplified by regional pollution and meteorology.