Impacts of air pollutants from fire and non-fire emissions on the regional air quality in Southeast Asia

Lee, Hsiang-He; Iraqui, Oussama; Gu, Yefu; Yim, Steve Hung-Lam; Chulakadabba, Apisada; Tonks, Adam Yiu-Ming; Yang, Zhengyu; Wang, Chien

doi:https://doi.org/10.5194/acp-18-6141-2018

Articles | Volume 18, issue 9

https://doi.org/10.5194/acp-18-6141-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-6141-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 9

Research article

|

03 May 2018

Research article |

| 03 May 2018

Impacts of air pollutants from fire and non-fire emissions on the regional air quality in Southeast Asia

Hsiang-He Lee, Oussama Iraqui, Yefu Gu, Steve Hung-Lam Yim, Apisada Chulakadabba, Adam Yiu-Ming Tonks, Zhengyu Yang, and Chien Wang

Supplement

https://doi.org/10.5194/acp-18-6141-2018-supplement

Data sets

Variation in global chemical composition of PM2.5: emerging results from SPARTAN Snider, G. Weagle, C. L. Murdymootoo, K. K. Ring, A. Ritchie, Y. Stone, E. Walsh, A. Akoshile, C. Anh, N. X. Balasubramanian, R. Brook, J. Qonitan, F. D. Dong, J. Griffith, D. He, K. Holben, B. N. Kahn, R. Lagrosas, N. Lestari, P. Ma, Z. Misra, A. Norford, L. K. Quel, E. J. Salam, A. Schichtel, B. Segev, L. Tripathi, S. Wang, C. Yu, C. Zhang, Q. Zhang, Y. Brauer, M. Cohen, A. Gibson, M. D. Liu, Y. Martins, J. V. Rudich, Y. Martin, R. V. https://doi.org/10.5194/acp-16-9629-2016

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Short summary

Our study shows that across ASEAN 50 cities, these model results reveal that 39 % of observed low-visibility days can be explained by either fossil fuel burning or biomass burning emissions alone, a further 20 % by fossil fuel burning alone, a further 8 % by biomass burning alone, and a further 5 % by a combination of fossil fuel burning and biomass burning. The remaining 28 % of observed low-visibility days remains unexplained, likely due to emissions sources that have not been accounted for.