Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 14
Articles | Volume 26, issue 14
https://doi.org/10.5194/acp-26-10533-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-10533-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 14
Research article
 | 
28 Jul 2026
Research article |  | 28 Jul 2026

Surface PM2.5 air pollution in 2022 India: emission updates, WRF-Chem model evaluation, and source attribution

Mi Zhou, Denise L. Mauzerall, Viswanath Velamuri, Sri Harsha Kota, Malini Nambiar, and Yuanyu Xie

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Short summary
India faces some of the world's highest fine particle pollution. Using an improved air quality model and updated 2022 emission data, we find that industry was the largest domestic source nationwide, while household fuel use remained dominant in the Indo-Gangetic Plain. Pollution crossing borders contributed more than any single domestic source. Our results highlight the need for cleaner industry and power generation, alongside continued shifts to cleaner household energy.
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