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  4. Jefferson County

Jefferson County

Colorado

2026-09-12 04:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
39.8
O3
μg/m³
79.3
PM2.5
μg/m³
4.6
Weather
  • ℃
  • ℉
16℃
38%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Arvada
AQI 45
Aspen Park
AQI 5
Coal Creek
AQI 14
Columbine
AQI 45
Conifer
AQI 5
Edgewater
AQI 45
Evergreen
AQI 24
Genesee
AQI 11
Golden
AQI 45
Indian Hills
AQI 5
Ken Caryl
AQI 5
Lakeside
AQI 45
Lakewood
AQI 45
Louisville
AQI 25
Morrison
AQI 45
Mountain View
AQI 45
Westminster
AQI 45
Wheat Ridge
AQI 45
Data Sources
http://www.airnow.gov/

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Cities Nearby

Indian Hills
AQI 5
Aspen Park
AQI 5
Evergreen
AQI 24
Conifer
AQI 5
Morrison
AQI 45
Genesee
AQI 11
Ken Caryl
AQI 5
Columbine
AQI 45
Golden
AQI 45
Columbine Valley
AQI 45
Roxborough Park
AQI 5