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Colorado

United States

2026-06-27 22:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
117.6
PM10
μg/m³
28.4
CO
μg/m³
166.7
NO2
μg/m³
4.9
PM2.5
μg/m³
3.1
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
20℃
14%
42 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Adams County
AQI 133
Alamosa County
AQI 59
Arapahoe County
AQI 116
Archuleta County
AQI 130
Baca County
AQI 10
Bent County
AQI 29
Boulder County
AQI 124
Broomfield County
AQI 36
Chaffee County
AQI 6
Cheyenne County
AQI 20
Clear Creek County
AQI 122
Conejos County
AQI 59
Costilla County
AQI 12
Crowley County
AQI 26
Custer County
AQI 18
Delta County
AQI 39
Denver County
AQI 128
Dolores County
AQI 5
Douglas County
AQI 130
Eagle County
AQI 6
El Paso County
AQI 113
Elbert County
AQI 69
Fremont County
AQI 84
Garfield County
AQI 136
Gilpin County
AQI 133
Grand County
AQI 5
Gunnison County
AQI 114
Hinsdale County
AQI 13
Huerfano County
AQI 5
Jackson County
AQI 7
Jefferson County
AQI 143
La Plata County
AQI 125
Lake County
AQI 6
Larimer County
AQI 136
Las Animas County
AQI 10
Lincoln County
AQI 16
Logan County
AQI 6
Mesa County
AQI 149
Mineral County
AQI 6
Moffat County
AQI 12
Montezuma County
AQI 119
Montrose County
AQI 39
Morgan County
AQI 7
Otero County
AQI 38
Ouray County
AQI 21
Park County
AQI 6
Phillips County
AQI 6
Pitkin County
AQI 105
Prowers County
AQI 12
Pueblo County
AQI 108
Rio Blanco County
AQI 16
Rio Grande County
AQI 59
Routt County
AQI 26
Saguache County
AQI 13
San Juan County
AQI 21
San Miguel County
AQI 21
Sedgwick County
AQI 6
Summit County
AQI 7
Teller County
AQI 7
Washington County
AQI 7
Weld County
AQI 135
Yuma County
AQI 7
Data Sources
http://www.airnow.gov/

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