5 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 ...
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 ...
Localized Air Quality Index and forecast for Seattle, WA. Track air pollution now to help plan your day and make healthier lifestyle decisions.
4 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 ...
Current Seattle Air Quality Index (AQI) is 10 GOOD level with real-time air pollution PM2.5 (6 µg/m³), PM10 ( µg/m³), temperature (10˚C) in Washington, ...
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 ...