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Colorado

United States

2026-10-01 23:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
95.4
PM10
μg/m³
14.5
CO
μg/m³
208.3
NO2
μg/m³
4.4
PM2.5
μg/m³
3
SO2
μg/m³
1.5
Weather
  • ℃
  • ℉
10℃
56%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Adams County
AQI 105
Alamosa County
AQI 6
Arapahoe County
AQI 105
Archuleta County
AQI 86
Baca County
AQI 9
Bent County
AQI 13
Boulder County
AQI 105
Broomfield County
AQI 20
Chaffee County
AQI 2
Cheyenne County
AQI 4
Clear Creek County
AQI 96
Conejos County
AQI 6
Costilla County
AQI 3
Crowley County
AQI 7
Custer County
AQI 5
Delta County
AQI 12
Denver County
AQI 98
Dolores County
AQI 3
Douglas County
AQI 108
Eagle County
AQI 2
El Paso County
AQI 89
Elbert County
AQI 64
Fremont County
AQI 12
Garfield County
AQI 95
Gilpin County
AQI 108
Grand County
AQI 2
Gunnison County
AQI 82
Hinsdale County
AQI 6
Huerfano County
AQI 3
Jackson County
AQI 2
Jefferson County
AQI 118
La Plata County
AQI 93
Lake County
AQI 2
Larimer County
AQI 100
Las Animas County
AQI 10
Lincoln County
AQI 3
Logan County
AQI 5
Mesa County
AQI 90
Mineral County
AQI 2
Moffat County
AQI 2
Montezuma County
AQI 93
Montrose County
AQI 12
Morgan County
AQI 3
Otero County
AQI 14
Ouray County
AQI 12
Park County
AQI 3
Phillips County
AQI 5
Pitkin County
AQI 95
Prowers County
AQI 15
Pueblo County
AQI 80
Rio Blanco County
AQI 2
Rio Grande County
AQI 6
Routt County
AQI 11
Saguache County
AQI 3
San Juan County
AQI 12
San Miguel County
AQI 12
Sedgwick County
AQI 5
Summit County
AQI 3
Teller County
AQI 6
Washington County
AQI 4
Weld County
AQI 92
Yuma County
AQI 5
Data Sources
http://www.airnow.gov/

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