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Colorado

United States

2026-10-01 23:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
92.9
PM10
μg/m³
14.7
CO
μg/m³
187.5
NO2
μg/m³
5
PM2.5
μg/m³
3
SO2
μg/m³
1.2
Weather
  • ℃
  • ℉
6℃
88%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Adams County
AQI 95
Alamosa County
AQI 7
Arapahoe County
AQI 90
Archuleta County
AQI 86
Baca County
AQI 9
Bent County
AQI 12
Boulder County
AQI 102
Broomfield County
AQI 20
Chaffee County
AQI 2
Cheyenne County
AQI 4
Clear Creek County
AQI 96
Conejos County
AQI 6
Costilla County
AQI 2
Crowley County
AQI 5
Custer County
AQI 4
Delta County
AQI 13
Denver County
AQI 92
Dolores County
AQI 3
Douglas County
AQI 102
Eagle County
AQI 2
El Paso County
AQI 84
Elbert County
AQI 64
Fremont County
AQI 12
Garfield County
AQI 97
Gilpin County
AQI 102
Grand County
AQI 2
Gunnison County
AQI 82
Hinsdale County
AQI 7
Huerfano County
AQI 3
Jackson County
AQI 3
Jefferson County
AQI 122
La Plata County
AQI 95
Lake County
AQI 2
Larimer County
AQI 99
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 11
Ouray County
AQI 12
Park County
AQI 3
Phillips County
AQI 5
Pitkin County
AQI 95
Prowers County
AQI 15
Pueblo County
AQI 75
Rio Blanco County
AQI 2
Rio Grande County
AQI 6
Routt County
AQI 11
Saguache County
AQI 2
San Juan County
AQI 12
San Miguel County
AQI 15
Sedgwick County
AQI 5
Summit County
AQI 2
Teller County
AQI 6
Washington County
AQI 4
Weld County
AQI 90
Yuma County
AQI 5
Data Sources
http://www.airnow.gov/

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