3 days ago · In 2019, Seattle air quality averaged an annual PM2.5 concentration of 7.5 μg/m3, meeting both the Environmental Protection Agency (EPA) and ...
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Get air quality data where you live. ; Air Quality Index Scale ; 0 - 50. Good ; 51 - 100. Moderate ; 101 - 150. Unhealthy for Sensitive Groups (USG) ; 151 - 200.
Localized Air Quality Index and forecast for Seattle, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions.