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Colorado

United States

2026-10-01 04:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
51
CO
μg/m³
541.7
NO2
μg/m³
20
PM10
μg/m³
17.9
PM2.5
μg/m³
3.4
SO2
μg/m³
1.6
Weather
  • ℃
  • ℉
1℃
92%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • CO
  • NO2
  • PM10
  • PM2.5
  • SO2
Places included
Adams County
AQI 48
Alamosa County
AQI 2
Arapahoe County
AQI 36
Archuleta County
AQI 28
Baca County
AQI 3
Bent County
AQI 3
Boulder County
AQI 75
Broomfield County
AQI 36
Chaffee County
AQI 2
Cheyenne County
AQI 4
Clear Creek County
AQI 59
Conejos County
AQI 2
Costilla County
AQI 1
Crowley County
AQI 2
Custer County
AQI 2
Delta County
AQI 15
Denver County
AQI 61
Dolores County
AQI 3
Douglas County
AQI 63
Eagle County
AQI 6
El Paso County
AQI 66
Elbert County
AQI 31
Fremont County
AQI 8
Garfield County
AQI 18
Gilpin County
AQI 93
Grand County
AQI 3
Gunnison County
AQI 60
Hinsdale County
AQI 4
Huerfano County
AQI 1
Jackson County
AQI 2
Jefferson County
AQI 65
La Plata County
AQI 42
Lake County
AQI 4
Larimer County
AQI 70
Las Animas County
AQI 2
Lincoln County
AQI 2
Logan County
AQI 3
Mesa County
AQI 69
Mineral County
AQI 2
Moffat County
AQI 2
Montezuma County
AQI 49
Montrose County
AQI 15
Morgan County
AQI 3
Otero County
AQI 2
Ouray County
AQI 6
Park County
AQI 5
Phillips County
AQI 5
Pitkin County
AQI 26
Prowers County
AQI 6
Pueblo County
AQI 50
Rio Blanco County
AQI 2
Rio Grande County
AQI 2
Routt County
AQI 11
Saguache County
AQI 2
San Juan County
AQI 6
San Miguel County
AQI 6
Sedgwick County
AQI 4
Summit County
AQI 5
Teller County
AQI 39
Washington County
AQI 3
Weld County
AQI 64
Yuma County
AQI 6
Data Sources
http://www.airnow.gov/

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