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  4. Jefferson County

Jefferson County

Colorado

2026-05-23 22:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
128.6
PM10
μg/m³
8.4
PM2.5
μg/m³
2.5
Weather
  • ℃
  • ℉
19℃
23%
8 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Arvada
AQI 8
Aspen Park
AQI 40
Coal Creek
AQI 11
Columbine
AQI 8
Conifer
AQI 40
Edgewater
AQI 8
Evergreen
AQI 41
Genesee
AQI 8
Golden
AQI 40
Indian Hills
AQI 8
Ken Caryl
AQI 8
Lakeside
AQI 8
Lakewood
AQI 8
Louisville
AQI 41
Morrison
AQI 8
Mountain View
AQI 8
Westminster
AQI 8
Wheat Ridge
AQI 8
Data Sources
http://www.airnow.gov/

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Cities Nearby

Indian Hills
AQI 8
Aspen Park
AQI 40
Evergreen
AQI 41
Conifer
AQI 40
Morrison
AQI 8
Genesee
AQI 8
Ken Caryl
AQI 8
Columbine
AQI 8
Golden
AQI 40
Columbine Valley
AQI 8
Roxborough Park
AQI 42