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  4. Jefferson County

Jefferson County

Colorado

2026-09-11 20:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
39.7
O3
μg/m³
117.1
PM2.5
μg/m³
2.7
Weather
  • ℃
  • ℉
25℃
21%
18 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Arvada
AQI 43
Aspen Park
AQI 4
Coal Creek
AQI 23
Columbine
AQI 43
Conifer
AQI 4
Edgewater
AQI 43
Evergreen
AQI 29
Genesee
AQI 6
Golden
AQI 43
Indian Hills
AQI 4
Ken Caryl
AQI 4
Lakeside
AQI 43
Lakewood
AQI 43
Louisville
AQI 39
Morrison
AQI 43
Mountain View
AQI 43
Westminster
AQI 43
Wheat Ridge
AQI 43
Data Sources
http://www.airnow.gov/

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Cities Nearby

Indian Hills
AQI 4
Aspen Park
AQI 4
Evergreen
AQI 29
Conifer
AQI 4
Morrison
AQI 43
Genesee
AQI 6
Ken Caryl
AQI 4
Columbine
AQI 43
Golden
AQI 43
Columbine Valley
AQI 43
Roxborough Park
AQI 4