4 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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King County has nearly 40% of the days in the MODERATE category. The EPA health-based air quality index changed in 2024 and we can now expect to see more days ...
Localized Air Quality Index and forecast for Seattle, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions.
Past month PM2.5 AQI short-term forecast analysis. In the above graph, the forecast is data is the forecast one day in advance (i.e. the forecast computed today ...
Air Quality Resources - Historical Air Quality ... Month: January, February, March, April, May, June, July ... NOAA/National Weather Service - Baltimore/Washington ...
Current Seattle Air Quality Index (AQI) is 3 GOOD level with real-time air pollution PM2.5 (2 µg/m³), PM10 ( µg/m³), temperature (11˚C) in Washington, ...
3 days ago · In 2019, a relatively mild wildfire year, Washington's most polluted cities for annual PM2.5 pollution were Sunnyside (11 μg/m3), Yakima (10.4 ...
Live air quality report and air quality forecast in Seattle ... Live air quality report and air quality forecast in Seattle ... month; year. Street-by-Street Map.
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.
Search WTN data to find information (tables, charts and maps) on air quality and other related data, such as asthma, heart attacks, and cancer. Why is outdoor ...