Articles | Volume 25, issue 18
https://doi.org/10.5194/acp-25-10587-2025
https://doi.org/10.5194/acp-25-10587-2025
Research article
 | 
16 Sep 2025
Research article |  | 16 Sep 2025

Dust pollution substantially weakens the impact of ammonia emission reduction on particulate nitrate formation

Hanrui Lang, Yunjiang Zhang, Sheng Zhong, Yongcai Rao, Minfeng Zhou, Jian Qiu, Jingyi Li, Diwen Liu, Florian Couvidat, Olivier Favez, Didier Hauglustaine, and Xinlei Ge

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Short summary
This study investigates how dust pollution influences particulate nitrate formation. We found that dust pollution could reduce the effectiveness of ammonia emission controls by altering aerosol chemistry. Using field observations and modeling, we showed that dust particles affect nitrate distribution between gas and particle phases. Our findings highlight the need for pollution control strategies that consider both human emissions and dust sources for better urban air quality management.
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