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ACP | Articles | Volume 20, issue 5
Atmos. Chem. Phys., 20, 2719–2734, 2020
https://doi.org/10.5194/acp-20-2719-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: In-depth study of air pollution sources and processes within...

Atmos. Chem. Phys., 20, 2719–2734, 2020
https://doi.org/10.5194/acp-20-2719-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 05 Mar 2020

Research article | 05 Mar 2020

Effect of ammonia on fine-particle pH in agricultural regions of China: comparison between urban and rural sites

Shenbo Wang et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Shenbo Wang on behalf of the Authors (31 Dec 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (28 Jan 2020) by Delphine Farmer
RR by Anonymous Referee #1 (03 Feb 2020)
ED: Publish as is (03 Feb 2020) by Delphine Farmer
AR by Shenbo Wang on behalf of the Authors (04 Feb 2020)  Author's response    Manuscript
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Short summary
Synchronous online monitoring was performed in two urban sites and three rural sites in Henan Province. Results show that PM2.5 was more acidic in urban aerosols than that in rural regions, and excess NHx concentrations played a key role in the local particle pH values. Air masses transported from rural and agricultural regions may promote the sulfate formation in urban aerosols. Therefore, ammonia should be involved in the regional strategy for improving the air quality in China.
Synchronous online monitoring was performed in two urban sites and three rural sites in Henan...
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