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  4. Jefferson County

Jefferson County

Colorado

2026-05-22 23:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
145.7
PM10
μg/m³
12
PM2.5
μg/m³
4.1
Weather
  • ℃
  • ℉
11℃
54%
10 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Arvada
AQI 12
Aspen Park
AQI 48
Coal Creek
AQI 12
Columbine
AQI 12
Conifer
AQI 48
Edgewater
AQI 12
Evergreen
AQI 45
Genesee
AQI 12
Golden
AQI 45
Indian Hills
AQI 12
Ken Caryl
AQI 12
Lakeside
AQI 12
Lakewood
AQI 12
Louisville
AQI 49
Morrison
AQI 12
Mountain View
AQI 12
Westminster
AQI 12
Wheat Ridge
AQI 12
Data Sources
http://www.airnow.gov/

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Cities Nearby

Indian Hills
AQI 12
Aspen Park
AQI 48
Evergreen
AQI 45
Conifer
AQI 48
Morrison
AQI 12
Genesee
AQI 12
Ken Caryl
AQI 12
Columbine
AQI 12
Golden
AQI 45
Columbine Valley
AQI 12
Roxborough Park
AQI 41