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Colorado

United States

2026-06-27 23:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
122.5
PM10
μg/m³
34.3
CO
μg/m³
229.2
NO2
μg/m³
5.2
PM2.5
μg/m³
3.6
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
13℃
29%
39 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Adams County
AQI 139
Alamosa County
AQI 69
Arapahoe County
AQI 120
Archuleta County
AQI 133
Baca County
AQI 8
Bent County
AQI 29
Boulder County
AQI 120
Broomfield County
AQI 16
Chaffee County
AQI 6
Cheyenne County
AQI 20
Clear Creek County
AQI 126
Conejos County
AQI 69
Costilla County
AQI 13
Crowley County
AQI 24
Custer County
AQI 13
Delta County
AQI 70
Denver County
AQI 127
Dolores County
AQI 5
Douglas County
AQI 120
Eagle County
AQI 5
El Paso County
AQI 127
Elbert County
AQI 71
Fremont County
AQI 44
Garfield County
AQI 161
Gilpin County
AQI 120
Grand County
AQI 6
Gunnison County
AQI 124
Hinsdale County
AQI 29
Huerfano County
AQI 4
Jackson County
AQI 8
Jefferson County
AQI 148
La Plata County
AQI 128
Lake County
AQI 5
Larimer County
AQI 143
Las Animas County
AQI 9
Lincoln County
AQI 16
Logan County
AQI 5
Mesa County
AQI 171
Mineral County
AQI 5
Moffat County
AQI 11
Montezuma County
AQI 127
Montrose County
AQI 70
Morgan County
AQI 7
Otero County
AQI 37
Ouray County
AQI 55
Park County
AQI 6
Phillips County
AQI 5
Pitkin County
AQI 120
Prowers County
AQI 11
Pueblo County
AQI 120
Rio Blanco County
AQI 16
Rio Grande County
AQI 69
Routt County
AQI 39
Saguache County
AQI 14
San Juan County
AQI 55
San Miguel County
AQI 55
Sedgwick County
AQI 6
Summit County
AQI 8
Teller County
AQI 6
Washington County
AQI 7
Weld County
AQI 154
Yuma County
AQI 7
Data Sources
http://www.airnow.gov/

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