Mortality attributable to PM _2.5 from wildland fires in California from 2008 to 2018

Science Advances, Journal Year: 2024, Volume and Issue: 10(23)

Published: June 7, 2024

In California, wildfire risk and severity have grown substantially in the last several decades. Research has characterized extensive adverse health impacts from exposure to wildfire-attributable fine particulate matter (PM 2.5 ), but few studies quantified long-term outcomes, none used a wildfire-specific chronic dose-response mortality coefficient. Here, we burden for PM California fires 2008 2018 using Community Multiscale Air Quality modeling system wildland fire estimates. We concentration-response function , applying ZIP code–level data an estimated coefficient accounting likely toxicity of smoke. estimate total 52,480 55,710 premature deaths are attributable over 11-year period with respect two scenarios, equating economic impact $432 $456 billion. These findings extend evidence on climate-related impacts, suggesting that wildfires account greater than indicated by earlier studies.

Language: Английский

---

Deep-BCSI: A deep learning-based framework for bias correction and spatial imputation of PM2.5 concentrations in South Korea

Atmospheric Research, Journal Year: 2024, Volume and Issue: 301, P. 107283 - 107283

Published: Feb. 3, 2024

Language: Английский

---

Estimated Impacts of Prescribed Fires on Air Quality and Premature Deaths in Georgia and Surrounding Areas in the US, 2015–2020

Environmental Science & Technology, Journal Year: 2024, Volume and Issue: 58(28), P. 12343 - 12355

Published: June 29, 2024

Smoke from wildfires poses a substantial threat to health in communities near and far. To mitigate the extent potential damage of wildfires, prescribed burning techniques are commonly employed as land management tools; however, they introduce their own smoke-related risks. This study investigates impact fires on daily average PM2.5 maximum 8-h averaged O3 (MDA8-O3) concentrations estimates premature deaths associated with short-term exposure fire MDA8-O3 Georgia surrounding areas Southeastern US 2015 2020. Our findings indicate that over domain, contributes by 0.94 ± 1.45 μg/m3 (mean standard deviation), accounting for 14.0% year-round ambient PM2.5. Higher contributions were predicted during extensive season (January–April): 1.43 1.97 (20.0% PM2.5). Additionally, is also responsible an annual increase 0.36 0.61 ppb (approximately 0.8% MDA8-O3) 1.3% (0.62 0.88 ppb) season. We estimate could have caused 2665 (95% confidence interval (CI): 2249–3080) 233 CI: 148–317) excess deaths, respectively. These results suggest smoke burns increases mortality. However, refraining such may escalate risk wildfires; therefore, trade-offs between impacts fires, including morbidity, need be taken into consideration future studies.

Language: Английский

---

Emissions of wood pelletization and bioenergy use in the United States

Renewable Energy, Journal Year: 2023, Volume and Issue: 219, P. 119536 - 119536

Published: Oct. 26, 2023

Despite a significant increase in United States biomass energy sector activity, including domestic bioenergy deployment and wood pellet production for overseas exports, the associated criteria pollutant emissions are not well quantified current regulatory inventories. We present an updated U.S. inventory, with emphasis on wood-based pretreatment (e.g., drying, condensing, storage of pellet) use generation. As number facilities included inventories, we find that this sector's could be potentially underestimated by factor two. Emissions from biomass-based average up to 2.8 times higher than their non-biomass counterparts per unit energy. estimate 2.3 million people live within 2 km facility who subject adverse health impacts emissions. Overall, contributes about 3–17% total all energy, i.e., electric non-electric generating also review some drivers expansion, such as various feedstocks technologies deployed discuss implications future air quality impacts.

Language: Английский

---

Innovative approaches for accurate ozone prediction and health risk analysis in South Korea: The combined effectiveness of deep learning and AirQ+

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 946, P. 174158 - 174158

Published: June 21, 2024

Language: Английский

---

New York State Climate Impacts Assessment Chapter 07: Human Health and Safety

Annals of the New York Academy of Sciences, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 9, 2024

Abstract New Yorkers face a multitude of health and safety risks that are exacerbated by changing climate. These include direct impacts from extreme weather events other climate hazards, as well indirect occurring through chain interactions. Physical safety, physical health, mental all part the equation—as many nonclimate factors interact with change to influence outcomes. This chapter provides an updated assessment these topics at intersection change, public equity in state York. Key findings presented below.

Language: Английский

---

Impact of the 2022 New Mexico, US wildfires on air quality and health

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 946, P. 174197 - 174197

Published: June 22, 2024

The 2022 wildfires in New Mexico, United States, were unparalleled compared to past the state both their scale and intensity, resulting poor air quality a catastrophic loss of habitat livelihood. Among all Mexico 2022, six selected for our study based on size burn area proximity populated areas. These fires accounted approximately 90 % total 2022. We used regional chemical transport model data-fusion technique quantify contribution these (April 6 August 22) particulate matter (PM2.5: diameter ≤ 2.5 μm) ozone (O3) concentrations, as well associated health impacts from short-term exposure. estimated that emitted 152 thousand tons PM2.5 287 volatile organic compounds atmosphere. average daily wildfire smoke across was 0.3 μg/m3, though 1 h maximum exceeded 120 μg/m3 near Santa Fe. Average 8-h O3 (MDA8-O3) 0.2 ppb during period over Mexico. However, 60 some locations Estimated all-cause excess mortality attributable short term exposure MDA8-O3 18 (95 Confidence Interval (CI), 15–21) 4 CI: 3–6) deaths. Additionally, we estimate responsible 171 %: 124–217) cases asthma emergency department visits. Our findings underscore impact human risks, which are anticipated intensify with global warming, even local anthropogenic emissions decline.

Language: Английский

---

Enhancing fire emissions inventories for acute health effects studies: integrating high spatial and temporal resolution data

International Journal of Wildland Fire, Journal Year: 2025, Volume and Issue: 34(2)

Published: Feb. 19, 2025

Background Daily fire progression information is crucial for public health studies that examine the relationship between population-level smoke exposures and subsequent events. Issues with remote sensing used in emissions inventories (FEI) lead to possibility of missed impact results acute effects studies. Aims This paper provides a method improving an FEI dataset readily available create more robust daily progression. Methods High temporal spatial resolution burned area from two products are combined into single dataset, linear regression model fills gaps Key The up 71% PM2.5 emissions, 69% area, 367% days per year than using source information. Conclusions combination improved no estimates. Implications functional improvement data can be achieved currently data.

Language: Английский

---

Global health burden from acute exposure to fine particles emitted by fires

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: April 24, 2025

Acute exposure to emissions from fires presents a significant and immediate threat human health. Inhalation of wildfire smoke other pollutants can lead various health issues, including respiratory cardiovascular problems. Our study uses the SILAM chemical transport model, integrated with IS4FIRES fire information system, assess population fire-related PM2.5, along burden all-cause, respiratory, deaths. results show that while population-weighted all-source PM2.5 has declined in Europe high-income North America, fire-PM2.5 increased significantly Eastern Central Europe, Tropical Latin sub-Saharan Africa. Extreme events have tripled globally since 1990s, more than half global experiencing minimum perpetual occurrence (least 1% fire-PM_2.5 for 50 instances 3 consecutive days calendar year) 2010–2018. contributed 99,000 (95% CI − 55,000–149,000) all-cause deaths annually 2010-18, disease burdens, particularly findings highlight escalating risks emissions, emphasizing urgent need mitigation strategies as becomes growing contributor air pollution-related mortality.

Language: Английский

---

Global disparities in indoor wildfire-PM _2.5 exposure and mitigation costs

Science Advances, Journal Year: 2025, Volume and Issue: 11(20)

Published: May 14, 2025

Wildfires have become more frequent and severe, evidence showed that exposure to wildfire-caused PM 2.5 (fire-PM ) is associated with adverse health effects. Fire-PM occurs mainly indoors, where people spend most of their time. As an effective timely approach mitigating indoor pollution, air purifiers incur notable costs. However, the long-term global population fire-PM economic burden using remain unknown. Here, we estimated concentration cost reducing exposure, along extra incurred because , at a resolution 0.5° by globally during 2003 2022. Our findings revealed 1009 million individuals exposed least one substantial wildfire-air pollution day per year. We identified pronounced socioeconomic disparities in costs low-income countries bearing disproportionately higher burden, emphasizing critical need for addressing these disparities.

Language: Английский

---