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Colorado

United States

2026-06-17 02:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
105.3
PM10
μg/m³
20
CO
μg/m³
229.2
NO2
μg/m³
6.7
PM2.5
μg/m³
2.9
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
10℃
40%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Adams County
AQI 102
Alamosa County
AQI 36
Arapahoe County
AQI 116
Archuleta County
AQI 120
Baca County
AQI 7
Bent County
AQI 9
Boulder County
AQI 95
Broomfield County
AQI 30
Chaffee County
AQI 6
Cheyenne County
AQI 9
Clear Creek County
AQI 103
Conejos County
AQI 36
Costilla County
AQI 6
Crowley County
AQI 12
Custer County
AQI 9
Delta County
AQI 15
Denver County
AQI 97
Dolores County
AQI 4
Douglas County
AQI 105
Eagle County
AQI 4
El Paso County
AQI 128
Elbert County
AQI 73
Fremont County
AQI 12
Garfield County
AQI 102
Gilpin County
AQI 102
Grand County
AQI 4
Gunnison County
AQI 117
Hinsdale County
AQI 9
Huerfano County
AQI 5
Jackson County
AQI 5
Jefferson County
AQI 114
La Plata County
AQI 111
Lake County
AQI 5
Larimer County
AQI 97
Las Animas County
AQI 7
Lincoln County
AQI 9
Logan County
AQI 9
Mesa County
AQI 120
Mineral County
AQI 3
Moffat County
AQI 8
Montezuma County
AQI 103
Montrose County
AQI 15
Morgan County
AQI 9
Otero County
AQI 13
Ouray County
AQI 15
Park County
AQI 5
Phillips County
AQI 10
Pitkin County
AQI 97
Prowers County
AQI 17
Pueblo County
AQI 117
Rio Blanco County
AQI 3
Rio Grande County
AQI 36
Routt County
AQI 22
Saguache County
AQI 7
San Juan County
AQI 15
San Miguel County
AQI 15
Sedgwick County
AQI 9
Summit County
AQI 5
Teller County
AQI 6
Washington County
AQI 8
Weld County
AQI 114
Yuma County
AQI 10
Data Sources
http://www.airnow.gov/

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