2025
Fire Smoke Elevated the Carbonaceous PM2.5 Concentration and Mortality Burden in the Contiguous U.S. and Southern Canada
Jin Z, Ferrada G, Zhang D, Scovronick N, Fu J, Chen K, Liu Y. Fire Smoke Elevated the Carbonaceous PM2.5 Concentration and Mortality Burden in the Contiguous U.S. and Southern Canada. Environmental Science And Technology 2025, 59: 12196-12210. PMID: 40504638, PMCID: PMC12199464, DOI: 10.1021/acs.est.5c01641.Peer-Reviewed Original ResearchWildland fire smokeElemental carbonOrganic carbonContiguous U.S.Fire smokeSouthern CanadaImpact of fine particulate matterFine particulate matterBackground air qualityHealth impactsNon-accidental deathsPrescribed firePM2.5 concentrationsWildfire seasonFuture health burdenParticulate matterAir qualityWildlandMonetized damagesSouthwestern CanadaMonthly scaleFireModel resultsWildfireCanada
2024
Long-term exposure to wildland fire smoke PM2.5 and mortality in the contiguous United States
Ma Y, Zang E, Liu Y, Wei J, Lu Y, Krumholz H, Bell M, Chen K. Long-term exposure to wildland fire smoke PM2.5 and mortality in the contiguous United States. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2403960121. PMID: 39316057, PMCID: PMC11459178, DOI: 10.1073/pnas.2403960121.Peer-Reviewed Original ResearchConceptsWildland firesContiguous United StatesNonaccidental mortalityExposure to ambient fine particlesSmoke PMWildland fire smokeMoving average concentrationsAmbient fine particlesLong-term exposureAverage concentrationSmoke PMHealth risksFine particlesFire smokeTemporal confoundingHealth effectsKidney disease mortalityChronic kidney disease mortalityPublic health actionFireMortality rateUnited StatesDisease mortalityHealth actionsMortality outcomesLandscape Fire Air Pollution as a Mediator in Drought and Childhood Stunting Pathway in Low- and Middle-Income Countries
Li J, Wang P, Sutton C, Harker R, Xue T, Chen K. Landscape Fire Air Pollution as a Mediator in Drought and Childhood Stunting Pathway in Low- and Middle-Income Countries. Environmental Science And Technology 2024, 58: 16728-16737. PMID: 39259849, DOI: 10.1021/acs.est.4c04307.Peer-Reviewed Original ResearchConceptsAir pollutionEnhance climate resilienceIncreased air pollutionIncreasing drought conditionsMiddle-income countriesHealth risksWildfireClimate resilienceChildhood stuntingRisk of childhood stuntingPollutionStandardized Precipitation Evapotranspiration IndexMixed-effects regressionDrought conditionsDroughtChild healthStunting riskPersonalized interventionsMiddle-incomeLandscapeIncreased riskMediation analysisStuntingLMICsFire
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