Where there is smoke, there is fire: long- and mid-range biomass burning role on São Paulo's state air quality.

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Titel: Where there is smoke, there is fire: long- and mid-range biomass burning role on São Paulo's state air quality.
Autoren: Rudke AP; Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Pres. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Brazil; Federal University of Technology - Paraná, Av. Dos Pioneiros, 3131, 86036-370, Londrina, Brazil. Electronic address: rudke@ufmg.br., Martins LD; Federal University of Technology - Paraná, Av. Dos Pioneiros, 3131, 86036-370, Londrina, Brazil., Martins JA; Federal University of Technology - Paraná, Av. Dos Pioneiros, 3131, 86036-370, Londrina, Brazil., Mantoani MC; Centre of Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário 303, 13416-000, Brazil., Andrade MF; Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Rua do Matão, 1226, Cidade Universitária, 05508-090, São Paulo, Brazil., Kumar P; Global Centre for Clean Air Research (GCARE), School of Engineering, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, GU2 7XH, United Kingdom; Institute for Sustainability, University of Surrey, Guildford, GU2 7XH, Surrey, United Kingdom., Alves RA; Department of Geography, State University of Londrina (UEL) - PR, Av. Celso Garcia Cid, PR-445, km 380 - Campus Universitário, Londrina, Paraná, Brazil., Pedruzzi R; Department of Sanitary Engineering and Environment, UERJ, R. São Francisco Xavier, 524 Maracanã, Rio de Janeiro, 20550-900, RJ, Brazil., Thompson T; Environmental Defense Fund, Boulder, CO, 80302, United States., Sobrinho OM; Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Pres. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Brazil., Véras Maia BL; Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Pres. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Brazil., Chaves Ribeiro AK; Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Pres. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Brazil., Albuquerque TTA; Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Pres. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Brazil; Post Graduation Program on Environmental Engineering - Federal University of Espírito Santo, Av. Fernando Ferrari, 514, 29075-910, Vitória, Brazil.
Quelle: Environmental pollution (Barking, Essex : 1987) [Environ Pollut] 2025 Nov 01; Vol. 384, pp. 126993. Date of Electronic Publication: 2025 Aug 18.
Publikationsart: Journal Article
Sprache: English
Info zur Zeitschrift: Publisher: Elsevier Applied Science Publishers Country of Publication: England NLM ID: 8804476 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-6424 (Electronic) Linking ISSN: 02697491 NLM ISO Abbreviation: Environ Pollut Subsets: MEDLINE
Imprint Name(s): Original Publication: Barking, Essex, England : Elsevier Applied Science Publishers, c1987-
MeSH-Schlagworte: Particulate Matter*/analysis , Air Pollutants*/analysis , Air Pollution*/statistics & numerical data , Smoke*/analysis , Wildfires*, Brazil ; Environmental Monitoring ; Biomass ; Fires ; Seasons
Abstract: Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Prolonged exposure to fine particulate matter (PM 2.5 ) is the leading environmental risk factor for human health. In Brazil, frequent wildfires during dry seasons, especially in the Amazon, Cerrado, and more recently the Pantanal, significantly increase PM 2.5 levels, often exceeding national and international air quality standards. This study analyzed ten years of PM 2.5 data from 25 monitoring stations across São Paulo State and used 1464 backward trajectories from the HYSPLIT model to assess the influence of open biomass burning and long-range pollutant transport. Results show that after declining trends, 2024 recorded a sharp increase in PM 2.5 , with concentrations peaking up to seven times higher during fire season and some daily averages exceeding 100 μg/m 3 . The analysis revealed that air masses arriving in the state frequently crossed major fire hotspots, including neighboring states and countries. Consequently, the estimated avoidable deaths rose significantly in 2024, with interior municipalities showing the highest rates. These findings underscore the urgent need to address transboundary pollution sources linked to open biomass burning within Brazil's air quality management and climate adaptation strategies.
(Copyright © 2025 Elsevier Ltd. All rights reserved.)
Contributed Indexing: Keywords: Air pollution emissions; Biomass burning; Long-range transport; Smoke exposure; Wildfires
Substance Nomenclature: 0 (Particulate Matter)
0 (Air Pollutants)
0 (Smoke)
Entry Date(s): Date Created: 20250820 Date Completed: 20250930 Latest Revision: 20250930
Update Code: 20250930
DOI: 10.1016/j.envpol.2025.126993
PMID: 40835105
Datenbank: MEDLINE
Beschreibung
Abstract:Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.<br />Prolonged exposure to fine particulate matter (PM <subscript>2.5</subscript> ) is the leading environmental risk factor for human health. In Brazil, frequent wildfires during dry seasons, especially in the Amazon, Cerrado, and more recently the Pantanal, significantly increase PM <subscript>2.5</subscript> levels, often exceeding national and international air quality standards. This study analyzed ten years of PM <subscript>2.5</subscript> data from 25 monitoring stations across São Paulo State and used 1464 backward trajectories from the HYSPLIT model to assess the influence of open biomass burning and long-range pollutant transport. Results show that after declining trends, 2024 recorded a sharp increase in PM <subscript>2.5</subscript> , with concentrations peaking up to seven times higher during fire season and some daily averages exceeding 100 μg/m <sup>3</sup> . The analysis revealed that air masses arriving in the state frequently crossed major fire hotspots, including neighboring states and countries. Consequently, the estimated avoidable deaths rose significantly in 2024, with interior municipalities showing the highest rates. These findings underscore the urgent need to address transboundary pollution sources linked to open biomass burning within Brazil's air quality management and climate adaptation strategies.<br /> (Copyright © 2025 Elsevier Ltd. All rights reserved.)
ISSN:1873-6424
DOI:10.1016/j.envpol.2025.126993