Health impacts of wildfire-related air pollution in Brazil: a nationwide study of more than 2 million hospital admissions between 2008 and 2018

Weeberb Requia, Heresh Amini, Rajarshi Mukherjee, Diane R. Gold and Joel D. Schwartz
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Heresh Amini: University of Copenhagen
Rajarshi Mukherjee: Harvard T.H. Chan School of Public Health Boston
Diane R. Gold: Harvard University Boston
Joel D. Schwartz: Harvard TH Chan School of Public Health Boston

Nature Communications, 2021, vol. 12, issue 1, 1-9

Abstract: Abstract We quantified the impacts of wildfire-related PM2.5 on 2 million hospital admissions records due to cardiorespiratory diseases in Brazil between 2008 and 2018. The national analysis shows that wildfire waves are associated with an increase of 23% (95%CI: 12%–33%) in respiratory hospital admissions and an increase of 21% (95%CI: 8%–35%) in circulatory hospital admissions. In the North (where most of the Amazon region is located), we estimate an increase of 38% (95%CI: 30%–47%) in respiratory hospital admissions and 27% (95%CI: 15%–39%) in circulatory hospital admissions. Here we report epidemiological evidence that air pollution emitted by wildfires is significantly associated with a higher risk of cardiorespiratory hospital admissions.

Date: 2021
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DOI: 10.1038/s41467-021-26822-7

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