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Wildfire smoke increases violent assaults, with each 1 μg/m³ rise in PM2.5 linked to a 0.5% assault increase.
A new study of Seattle data from 2013 to 2023 finds that short-term exposure to wildfire smoke correlates with a rise in violent assaults, with each 1 μg/m³ increase in PM2.5 linked to a 0.5% rise in assaults.
On smoky days, PM2.5 levels rose by 7 μg/m³ on average, and assaults increased by about 3.6%.
Researchers ruled out other factors like police response delays or domestic violence, suggesting smoke may trigger irritability or stress, particularly outdoors.
Vulnerable groups, including outdoor workers and people experiencing homelessness, are most at risk.
The findings highlight public safety risks tied to climate-driven wildfires.
El humo de los incendios forestales aumenta los asaltos violentos, con cada aumento de 1 μg/m3 en PM2.5 vinculado a un aumento del 0,5% de los asaltos.