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Colorado

United States

2026-06-27 20:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
110.9
PM10
μg/m³
27.1
CO
μg/m³
166.7
NO2
μg/m³
4.8
PM2.5
μg/m³
2.8
SO2
μg/m³
2.5
Weather
  • ℃
  • ℉
21℃
15%
44 kph
9 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Adams County
AQI 120
Alamosa County
AQI 63
Arapahoe County
AQI 99
Archuleta County
AQI 120
Baca County
AQI 14
Bent County
AQI 28
Boulder County
AQI 108
Broomfield County
AQI 43
Chaffee County
AQI 6
Cheyenne County
AQI 16
Clear Creek County
AQI 105
Conejos County
AQI 63
Costilla County
AQI 15
Crowley County
AQI 25
Custer County
AQI 10
Delta County
AQI 39
Denver County
AQI 111
Dolores County
AQI 6
Douglas County
AQI 124
Eagle County
AQI 5
El Paso County
AQI 100
Elbert County
AQI 61
Fremont County
AQI 58
Garfield County
AQI 127
Gilpin County
AQI 127
Grand County
AQI 4
Gunnison County
AQI 114
Hinsdale County
AQI 13
Huerfano County
AQI 8
Jackson County
AQI 6
Jefferson County
AQI 132
La Plata County
AQI 119
Lake County
AQI 5
Larimer County
AQI 127
Las Animas County
AQI 12
Lincoln County
AQI 14
Logan County
AQI 7
Mesa County
AQI 136
Mineral County
AQI 9
Moffat County
AQI 12
Montezuma County
AQI 114
Montrose County
AQI 39
Morgan County
AQI 7
Otero County
AQI 36
Ouray County
AQI 18
Park County
AQI 6
Phillips County
AQI 7
Pitkin County
AQI 108
Prowers County
AQI 11
Pueblo County
AQI 90
Rio Blanco County
AQI 16
Rio Grande County
AQI 63
Routt County
AQI 20
Saguache County
AQI 14
San Juan County
AQI 18
San Miguel County
AQI 18
Sedgwick County
AQI 7
Summit County
AQI 6
Teller County
AQI 5
Washington County
AQI 6
Weld County
AQI 125
Yuma County
AQI 7
Data Sources
http://www.airnow.gov/

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