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  4. Jefferson County

Jefferson County

Colorado

2026-05-24 03:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
110
PM10
μg/m³
13
PM2.5
μg/m³
3.6
Weather
  • ℃
  • ℉
11℃
43%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Arvada
AQI 13
Aspen Park
AQI 35
Coal Creek
AQI 12
Columbine
AQI 14
Conifer
AQI 35
Edgewater
AQI 13
Evergreen
AQI 30
Genesee
AQI 13
Golden
AQI 36
Indian Hills
AQI 13
Ken Caryl
AQI 14
Lakeside
AQI 13
Lakewood
AQI 13
Louisville
AQI 39
Morrison
AQI 13
Mountain View
AQI 13
Westminster
AQI 13
Wheat Ridge
AQI 13
Data Sources
http://www.airnow.gov/

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Cities Nearby

Indian Hills
AQI 13
Aspen Park
AQI 35
Evergreen
AQI 30
Conifer
AQI 35
Morrison
AQI 13
Genesee
AQI 13
Ken Caryl
AQI 14
Columbine
AQI 14
Golden
AQI 36
Columbine Valley
AQI 14
Roxborough Park
AQI 36