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  4. Jefferson County

Jefferson County

Colorado

2026-09-14 04:00
AQI (China)
Lightly Polluted
Pollutants|Pollens
PM10
μg/m³
145.5
O3
μg/m³
78.6
PM2.5
μg/m³
4.3
Weather
  • ℃
  • ℉
19℃
43%
14 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Arvada
AQI 121
Aspen Park
AQI 7
Coal Creek
AQI 8
Columbine
AQI 121
Conifer
AQI 7
Edgewater
AQI 121
Evergreen
AQI 27
Genesee
AQI 8
Golden
AQI 121
Indian Hills
AQI 7
Ken Caryl
AQI 7
Lakeside
AQI 121
Lakewood
AQI 121
Louisville
AQI 25
Morrison
AQI 121
Mountain View
AQI 121
Westminster
AQI 121
Wheat Ridge
AQI 121
Data Sources
http://www.airnow.gov/

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Cities Nearby

Indian Hills
AQI 7
Aspen Park
AQI 7
Evergreen
AQI 27
Conifer
AQI 7
Morrison
AQI 121
Genesee
AQI 8
Ken Caryl
AQI 7
Columbine
AQI 121
Golden
AQI 121
Columbine Valley
AQI 121
Roxborough Park
AQI 7