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  4. Loudoun County

Loudoun County

Virginia

2025-12-10 13:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
10.7
PM10
μg/m³
13
O3
μg/m³
25.7
NO2
μg/m³
15.2
Weather
  • ℃
  • ℉
0℃
85%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
Places included
Blue Ridge
AQI 54
Broad Run
AQI 54
Catoctin
AQI 54
Dulles
AQI 54
Leesburg
AQI 54
Potomac
AQI 54
Sterling
AQI 54
Sugarland Run
AQI 54
Data Sources
http://www.airnow.gov/

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Cities Nearby

Hamilton
AQI 54
Purcellville
AQI 54
Leesburg
AQI 54
Round Hill
AQI 54
Waterford
AQI 54
Middleburg
AQI 54
Hillsboro
AQI 54
Ashburn
AQI 54
Sterling
AQI 54
Poolesville
AQI 54
Lovettsville
AQI 51