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  4. Jefferson County

Jefferson County

Colorado

2026-09-13 04:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
50
O3
μg/m³
99.3
PM2.5
μg/m³
7.2
Weather
  • ℃
  • ℉
13℃
63%
12 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Arvada
AQI 54
Aspen Park
AQI 9
Coal Creek
AQI 25
Columbine
AQI 54
Conifer
AQI 9
Edgewater
AQI 54
Evergreen
AQI 25
Genesee
AQI 16
Golden
AQI 54
Indian Hills
AQI 9
Ken Caryl
AQI 9
Lakeside
AQI 54
Lakewood
AQI 54
Louisville
AQI 34
Morrison
AQI 54
Mountain View
AQI 54
Westminster
AQI 54
Wheat Ridge
AQI 54
Data Sources
http://www.airnow.gov/

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Cities Nearby

Indian Hills
AQI 9
Aspen Park
AQI 9
Evergreen
AQI 25
Conifer
AQI 9
Morrison
AQI 54
Genesee
AQI 16
Ken Caryl
AQI 9
Columbine
AQI 54
Golden
AQI 54
Columbine Valley
AQI 54
Roxborough Park
AQI 9