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  4. Jefferson County

Jefferson County

Colorado

2026-05-24 21:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
122.9
PM10
μg/m³
10.9
PM2.5
μg/m³
3
Weather
  • ℃
  • ℉
20℃
29%
21 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Arvada
AQI 11
Aspen Park
AQI 39
Coal Creek
AQI 10
Columbine
AQI 11
Conifer
AQI 39
Edgewater
AQI 11
Evergreen
AQI 39
Genesee
AQI 11
Golden
AQI 38
Indian Hills
AQI 11
Ken Caryl
AQI 11
Lakeside
AQI 11
Lakewood
AQI 11
Louisville
AQI 39
Morrison
AQI 11
Mountain View
AQI 11
Westminster
AQI 11
Wheat Ridge
AQI 11
Data Sources
http://www.airnow.gov/

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Cities Nearby

Indian Hills
AQI 11
Aspen Park
AQI 39
Evergreen
AQI 39
Conifer
AQI 39
Morrison
AQI 11
Genesee
AQI 11
Ken Caryl
AQI 11
Columbine
AQI 11
Golden
AQI 38
Columbine Valley
AQI 11
Roxborough Park
AQI 38