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Long-term impact of PM2.5 on mortality is exacerbated when wildfire events occur

Year: 2025

Type: preprint

Abstract: There is extensive evidence that long-term exposure to all-source PM2.5 increases mortality. However, to date, no study has evaluated whether this effect is exacerbated in the presence of wildfire events. Here, we study 60+ million older US adults and find that wildfire events increase the harmful effects of long-term all-source PM2.5 exposure on mortality, providing a new and realistic conceptualization of wildfire health risks.

Source: arXiv (Cornell University)

Authors: Spoto, Federica, Dominici, Francesca, Benmarhnia, Tarik, Braun, Danielle, Casey, Joan A.

Language: English

Topic: Air Quality and Health Impacts

Subfield: Health, Toxicology and Mutagenesis

Field: Environmental Science

Domain: Physical Sciences

SDG: Good health and well-being

Open Access status: green

OpenAlex ID: W6979270988

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