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Colorado

United States

2026-09-28 05:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
67.5
CO
μg/m³
562.5
NO2
μg/m³
12.8
PM10
μg/m³
12.2
PM2.5
μg/m³
3.4
SO2
μg/m³
1.6
Weather
  • ℃
  • ℉
5℃
77%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • CO
  • NO2
  • PM10
  • PM2.5
  • SO2
Places included
Adams County
AQI 52
Alamosa County
AQI 13
Arapahoe County
AQI 105
Archuleta County
AQI 50
Baca County
AQI 6
Bent County
AQI 20
Boulder County
AQI 43
Broomfield County
AQI 12
Chaffee County
AQI 6
Cheyenne County
AQI 4
Clear Creek County
AQI 70
Conejos County
AQI 13
Costilla County
AQI 5
Crowley County
AQI 18
Custer County
AQI 6
Delta County
AQI 19
Denver County
AQI 60
Dolores County
AQI 3
Douglas County
AQI 12
Eagle County
AQI 7
El Paso County
AQI 105
Elbert County
AQI 62
Fremont County
AQI 11
Garfield County
AQI 39
Gilpin County
AQI 67
Grand County
AQI 6
Gunnison County
AQI 54
Hinsdale County
AQI 12
Huerfano County
AQI 5
Jackson County
AQI 4
Jefferson County
AQI 75
La Plata County
AQI 65
Lake County
AQI 6
Larimer County
AQI 73
Las Animas County
AQI 5
Lincoln County
AQI 3
Logan County
AQI 5
Mesa County
AQI 88
Mineral County
AQI 5
Moffat County
AQI 9
Montezuma County
AQI 79
Montrose County
AQI 19
Morgan County
AQI 3
Otero County
AQI 28
Ouray County
AQI 15
Park County
AQI 7
Phillips County
AQI 5
Pitkin County
AQI 55
Prowers County
AQI 15
Pueblo County
AQI 73
Rio Blanco County
AQI 6
Rio Grande County
AQI 13
Routt County
AQI 13
Saguache County
AQI 6
San Juan County
AQI 15
San Miguel County
AQI 15
Sedgwick County
AQI 5
Summit County
AQI 7
Teller County
AQI 6
Washington County
AQI 4
Weld County
AQI 80
Yuma County
AQI 5
Data Sources
http://www.airnow.gov/

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