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Fairfax County
2025-03-17 08:00
AQI (China)
Excellent
Pollutants
|
Pollens
PM10
μg/m³
21
PM2.5
μg/m³
9.1
Pollen
7.6
Weather
℃
℃
℉
11℃
84%
26 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Pollen
PM10
PM2.5
Places included
Great Falls
AQI 21
Herndon
AQI 21
McLean
AQI 21
Pimmit Hills
AQI 21
Data Sources
http://www.airnow.gov/
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