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Colorado

United States

2026-09-27 01:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
82.2
NO2
μg/m³
23.1
CO
μg/m³
458.3
PM10
μg/m³
18.2
PM2.5
μg/m³
4.1
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
6℃
67%
1 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • CO
  • PM10
  • PM2.5
  • SO2
Places included
Adams County
AQI 65
Alamosa County
AQI 20
Arapahoe County
AQI 105
Archuleta County
AQI 39
Baca County
AQI 9
Bent County
AQI 9
Boulder County
AQI 105
Broomfield County
AQI 18
Chaffee County
AQI 3
Cheyenne County
AQI 7
Clear Creek County
AQI 97
Conejos County
AQI 20
Costilla County
AQI 4
Crowley County
AQI 7
Custer County
AQI 4
Delta County
AQI 23
Denver County
AQI 74
Dolores County
AQI 4
Douglas County
AQI 86
Eagle County
AQI 4
El Paso County
AQI 100
Elbert County
AQI 68
Fremont County
AQI 21
Garfield County
AQI 56
Gilpin County
AQI 88
Grand County
AQI 4
Gunnison County
AQI 93
Hinsdale County
AQI 12
Huerfano County
AQI 4
Jackson County
AQI 3
Jefferson County
AQI 106
La Plata County
AQI 79
Lake County
AQI 4
Larimer County
AQI 88
Las Animas County
AQI 5
Lincoln County
AQI 7
Logan County
AQI 7
Mesa County
AQI 75
Mineral County
AQI 4
Moffat County
AQI 4
Montezuma County
AQI 84
Montrose County
AQI 23
Morgan County
AQI 8
Otero County
AQI 8
Ouray County
AQI 23
Park County
AQI 6
Phillips County
AQI 7
Pitkin County
AQI 82
Prowers County
AQI 14
Pueblo County
AQI 95
Rio Blanco County
AQI 8
Rio Grande County
AQI 20
Routt County
AQI 10
Saguache County
AQI 4
San Juan County
AQI 23
San Miguel County
AQI 23
Sedgwick County
AQI 6
Summit County
AQI 5
Teller County
AQI 7
Washington County
AQI 6
Weld County
AQI 93
Yuma County
AQI 6
Data Sources
http://www.airnow.gov/

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