Articles | Volume 24, issue 6
https://doi.org/10.5194/acp-24-3699-2024
https://doi.org/10.5194/acp-24-3699-2024
Research article
 | 
25 Mar 2024
Research article |  | 25 Mar 2024

Uncertainties from biomass burning aerosols in air quality models obscure public health impacts in Southeast Asia

Margaret R. Marvin, Paul I. Palmer, Fei Yao, Mohd Talib Latif, and Md Firoz Khan

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Subject: Aerosols | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Ab. Rahman, E., Hamzah, F. M., Latif, M. T., and Dominick, D.: Assessment of PM2.5 patterns in Malaysia using the clustering method, Aerosol Air Qual. Res., 22, 210161, https://doi.org/10.4209/aaqr.210161, 2022. a, b
Ahmad Mohtar, A. A., Latif, M. T., Dominick, D., Chel Gee Ooi, M., Azhari, A., Baharudin, N. H., Hanif, N. M., Chung, J. X., and Juneng, L.: Spatiotemporal variations of particulate matter and their association with criteria pollutants and meteorology in Malaysia, Aerosol Air Qual. Res., 22, 220124, https://doi.org/10.4209/aaqr.220124, 2022. a, b
Akagi, S. K., Yokelson, R. J., Wiedinmyer, C., Alvarado, M. J., Reid, J. S., Karl, T., Crounse, J. D., and Wennberg, P. O.: Emission factors for open and domestic biomass burning for use in atmospheric models, Atmos. Chem. Phys., 11, 4039–4072, https://doi.org/10.5194/acp-11-4039-2011, 2011. a, b, c, d, e
Atkinson, R. W., Kang, S., Anderson, H. R., Mills, I. C., and Walton, H. A.: Epidemiological time series studies of PM2.5 and daily mortality and hospital admissions: A systematic review and meta-analysis, Thorax, 69, 660–665, https://doi.org/10.1136/THORAXJNL-2013-204492, 2014. a, b
Boys, B. L., Martin, R. V., van Donkelaar, A., MacDonell, R. J., Hsu, N. C., Cooper, M. J., Yantosca, R. M., Lu, Z., Streets, D. G., Zhang, Q., and Wang, S. W.: Fifteen-year global time series of satellite-derived fine particulate matter, Environ. Sci. Technol., 48, 11109–11118, https://doi.org/10.1021/es502113p, 2014. a, b
Short summary
We use an atmospheric chemistry model to investigate aerosols emitted from fire activity across Southeast Asia. We find that the limited nature of measurements in this region leads to large uncertainties that significantly hinder the model representation of these aerosols and their impacts on air quality. As a result, the number of monthly attributable deaths is underestimated by as many as 4500, particularly in March at the peak of the mainland burning season.
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