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  4. Jefferson County

Jefferson County

Colorado

2026-09-12 00:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
36.2
O3
μg/m³
97.1
PM2.5
μg/m³
2.7
Weather
  • ℃
  • ℉
21℃
28%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Arvada
AQI 40
Aspen Park
AQI 4
Coal Creek
AQI 17
Columbine
AQI 40
Conifer
AQI 4
Edgewater
AQI 40
Evergreen
AQI 34
Genesee
AQI 5
Golden
AQI 40
Indian Hills
AQI 4
Ken Caryl
AQI 4
Lakeside
AQI 40
Lakewood
AQI 40
Louisville
AQI 28
Morrison
AQI 40
Mountain View
AQI 40
Westminster
AQI 40
Wheat Ridge
AQI 40
Data Sources
http://www.airnow.gov/

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Cities Nearby

Indian Hills
AQI 4
Aspen Park
AQI 4
Evergreen
AQI 34
Conifer
AQI 4
Morrison
AQI 40
Genesee
AQI 5
Ken Caryl
AQI 4
Columbine
AQI 40
Golden
AQI 40
Columbine Valley
AQI 40
Roxborough Park
AQI 4