Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 24
Articles | Volume 25, issue 24
https://doi.org/10.5194/acp-25-18675-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-18675-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 24
Research article
 | 
22 Dec 2025
Research article |  | 22 Dec 2025

High resolution air quality simulation in the Himalayan valleys, a case study in Bhutan

Bertrand Bessagnet, Narayan Thapa, Dikra Prasad Bajgai, Ravi Sahu, Arshini Saikia, Arineh Cholakian, Laurent Menut, Guillaume Siour, Tenzin Wangchuk, Monica Crippa, and Kamala Gurung

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Short summary
This study highlights the use of numerical tools at very high resolution to support the Air Quality monitoring strategy in the Himalayan valley which suffer from Air Pollution. For the first time ever, a high resolution simulation is performed in Bhutan showing the high PM2.5 concentrations within the valleys and potential contaminations up to the glaciers enhancing climate related risks.
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