Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 17
Articles | Volume 25, issue 17
https://doi.org/10.5194/acp-25-10141-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-10141-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 17
Research article
 | 
09 Sep 2025
Research article |  | 09 Sep 2025

The contribution of fires to PM2.5 and population exposure in the Asia Pacific region

Hua Lu, Min Xie, Nan Wang, Bojun Liu, Jinyue Jiang, Bingliang Zhuang, Ying Zhang, Meixuan Wu, Jianfeng Yang, Kunqin Lv, and Danyang Ma

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Short summary
Fires are important sources of air pollution in many regions. This study isolates fire-specific PM2.5 from observations, showing its increasing proportion in recent years. Our findings indicate that fire-specific PM2.5 disproportionately affects impoverished populations in the Asia Pacific. Furthermore, we suggest that, under future climate change, fire-specific PM2.5 will likely continue rising. This highlights the need for interventions to reduce fire-related air pollution and its health impacts.
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