Impact of the 2022 New Mexico, US wildfires on air quality and health. Maji, K. J., Ford, B., Li, Z., Hu, Y., Hu, L., Langer, C. E., Hawkinson, C., Paladugu, S., Moraga-McHaley, S., Woods, B., Vansickle, M., Uejio, C. K., Maichak, C., Sablan, O., Magzamen, S., Pierce, J. R., & Russell, A. G. Science of The Total Environment, 946:174197, 2024. ![Impact of the 2022 New Mexico, US wildfires on air quality and health [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The 2022 wildfires in New Mexico, United States, were unparalleled compared to past wildfires in the state in both their scale and intensity, resulting in poor air quality and a catastrophic loss of habitat and livelihood. Among all wildfires in New Mexico in 2022, six wildfires were selected for our study based on the size of the burn area and their proximity to populated areas. These fires accounted for approximately 90 % of the total burn area in New Mexico in 2022. We used a regional chemical transport model and data-fusion technique to quantify the contribution of these six wildfires (April 6 to August 22) on particulate matter (PM2.5: diameter ≤ 2.5 μm) and ozone (O3) concentrations, as well as the associated health impacts from short-term exposure. We estimated that these six wildfires emitted 152 thousand tons of PM2.5 and 287 thousand tons of volatile organic compounds to the atmosphere. We estimated that the average daily wildfire smoke PM2.5 across New Mexico was 0.3 μg/m3, though 1 h maximum exceeded 120 μg/m3 near Santa Fe. Average wildfire smoke maximum daily average 8-h O3 (MDA8-O3) contribution was 0.2 ppb during the study period over New Mexico. However, over the state 1 h maximum smoke O3 exceeded 60 ppb in some locations near Santa Fe. Estimated all-cause excess mortality attributable to short term exposure to wildfire PM2.5 and MDA8-O3 from these six wildfires were 18 (95 % Confidence Interval (CI), 15–21) and 4 (95 % CI: 3–6) deaths. Additionally, we estimate that wildfire PM2.5 was responsible for 171 (95 %: 124–217) excess cases of asthma emergency department visits. Our findings underscore the impact of wildfires on air quality and human health risks, which are anticipated to intensify with global warming, even as local anthropogenic emissions decline.
@article{MAJI2024174197,
title = {Impact of the 2022 New Mexico, US wildfires on air quality and health},
journal = {Science of The Total Environment},
volume = {946},
pages = {174197},
year = {2024},
issn = {0048-9697},
doi = {https://doi.org/10.1016/j.scitotenv.2024.174197},
url = {https://www.sciencedirect.com/science/article/pii/S0048969724043456},
author = {Kamal J. Maji and Bonne Ford and Zongrun Li and Yongtao Hu and Leiqiu Hu and Chelsea Eastman Langer and Colin Hawkinson and Srikanth Paladugu and Stephanie Moraga-McHaley and Brian Woods and Melissa Vansickle and Christopher K. Uejio and Courtney Maichak and Olivia Sablan and Sheryl Magzamen and Jeffrey R. Pierce and Armistead G. Russell},
keywords = {Wildfire, New Mexico, Air pollution, Chemical transport model, Premature deaths},
abstract = {The 2022 wildfires in New Mexico, United States, were unparalleled compared to past wildfires in the state in both their scale and intensity, resulting in poor air quality and a catastrophic loss of habitat and livelihood. Among all wildfires in New Mexico in 2022, six wildfires were selected for our study based on the size of the burn area and their proximity to populated areas. These fires accounted for approximately 90 % of the total burn area in New Mexico in 2022. We used a regional chemical transport model and data-fusion technique to quantify the contribution of these six wildfires (April 6 to August 22) on particulate matter (PM2.5: diameter ≤ 2.5 μm) and ozone (O3) concentrations, as well as the associated health impacts from short-term exposure. We estimated that these six wildfires emitted 152 thousand tons of PM2.5 and 287 thousand tons of volatile organic compounds to the atmosphere. We estimated that the average daily wildfire smoke PM2.5 across New Mexico was 0.3 μg/m3, though 1 h maximum exceeded 120 μg/m3 near Santa Fe. Average wildfire smoke maximum daily average 8-h O3 (MDA8-O3) contribution was 0.2 ppb during the study period over New Mexico. However, over the state 1 h maximum smoke O3 exceeded 60 ppb in some locations near Santa Fe. Estimated all-cause excess mortality attributable to short term exposure to wildfire PM2.5 and MDA8-O3 from these six wildfires were 18 (95 % Confidence Interval (CI), 15–21) and 4 (95 % CI: 3–6) deaths. Additionally, we estimate that wildfire PM2.5 was responsible for 171 (95 %: 124–217) excess cases of asthma emergency department visits. Our findings underscore the impact of wildfires on air quality and human health risks, which are anticipated to intensify with global warming, even as local anthropogenic emissions decline.}
}
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Among all wildfires in New Mexico in 2022, six wildfires were selected for our study based on the size of the burn area and their proximity to populated areas. These fires accounted for approximately 90 % of the total burn area in New Mexico in 2022. We used a regional chemical transport model and data-fusion technique to quantify the contribution of these six wildfires (April 6 to August 22) on particulate matter (PM2.5: diameter ≤ 2.5 μm) and ozone (O3) concentrations, as well as the associated health impacts from short-term exposure. We estimated that these six wildfires emitted 152 thousand tons of PM2.5 and 287 thousand tons of volatile organic compounds to the atmosphere. We estimated that the average daily wildfire smoke PM2.5 across New Mexico was 0.3 μg/m3, though 1 h maximum exceeded 120 μg/m3 near Santa Fe. Average wildfire smoke maximum daily average 8-h O3 (MDA8-O3) contribution was 0.2 ppb during the study period over New Mexico. However, over the state 1 h maximum smoke O3 exceeded 60 ppb in some locations near Santa Fe. Estimated all-cause excess mortality attributable to short term exposure to wildfire PM2.5 and MDA8-O3 from these six wildfires were 18 (95 % Confidence Interval (CI), 15–21) and 4 (95 % CI: 3–6) deaths. Additionally, we estimate that wildfire PM2.5 was responsible for 171 (95 %: 124–217) excess cases of asthma emergency department visits. Our findings underscore the impact of wildfires on air quality and human health risks, which are anticipated to intensify with global warming, even as local anthropogenic emissions decline.","bibtex":"@article{MAJI2024174197,\ntitle = {Impact of the 2022 New Mexico, US wildfires on air quality and health},\njournal = {Science of The Total Environment},\nvolume = {946},\npages = {174197},\nyear = {2024},\nissn = {0048-9697},\ndoi = {https://doi.org/10.1016/j.scitotenv.2024.174197},\nurl = {https://www.sciencedirect.com/science/article/pii/S0048969724043456},\nauthor = {Kamal J. Maji and Bonne Ford and Zongrun Li and Yongtao Hu and Leiqiu Hu and Chelsea Eastman Langer and Colin Hawkinson and Srikanth Paladugu and Stephanie Moraga-McHaley and Brian Woods and Melissa Vansickle and Christopher K. Uejio and Courtney Maichak and Olivia Sablan and Sheryl Magzamen and Jeffrey R. Pierce and Armistead G. Russell},\nkeywords = {Wildfire, New Mexico, Air pollution, Chemical transport model, Premature deaths},\nabstract = {The 2022 wildfires in New Mexico, United States, were unparalleled compared to past wildfires in the state in both their scale and intensity, resulting in poor air quality and a catastrophic loss of habitat and livelihood. Among all wildfires in New Mexico in 2022, six wildfires were selected for our study based on the size of the burn area and their proximity to populated areas. These fires accounted for approximately 90 % of the total burn area in New Mexico in 2022. We used a regional chemical transport model and data-fusion technique to quantify the contribution of these six wildfires (April 6 to August 22) on particulate matter (PM2.5: diameter ≤ 2.5 μm) and ozone (O3) concentrations, as well as the associated health impacts from short-term exposure. 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