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Colorado

United States

2026-06-22 18:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
131.9
PM10
μg/m³
32.1
PM2.5
μg/m³
9.3
NO2
μg/m³
10.8
CO
μg/m³
270.8
SO2
μg/m³
2.9
Weather
  • ℃
  • ℉
19℃
35%
20 kph
9 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 171
Alamosa County
AQI 43
Arapahoe County
AQI 158
Archuleta County
AQI 171
Baca County
AQI 6
Bent County
AQI 11
Boulder County
AQI 152
Broomfield County
AQI 44
Chaffee County
AQI 8
Cheyenne County
AQI 6
Clear Creek County
AQI 125
Conejos County
AQI 43
Costilla County
AQI 15
Crowley County
AQI 17
Custer County
AQI 15
Delta County
AQI 27
Denver County
AQI 158
Dolores County
AQI 4
Douglas County
AQI 149
Eagle County
AQI 7
El Paso County
AQI 149
Elbert County
AQI 80
Fremont County
AQI 31
Garfield County
AQI 10
Gilpin County
AQI 124
Grand County
AQI 8
Gunnison County
AQI 155
Hinsdale County
AQI 19
Huerfano County
AQI 11
Jackson County
AQI 8
Jefferson County
AQI 145
La Plata County
AQI 95
Lake County
AQI 7
Larimer County
AQI 157
Las Animas County
AQI 11
Lincoln County
AQI 9
Logan County
AQI 6
Mesa County
AQI 146
Mineral County
AQI 6
Moffat County
AQI 8
Montezuma County
AQI 135
Montrose County
AQI 27
Morgan County
AQI 10
Otero County
AQI 21
Ouray County
AQI 29
Park County
AQI 10
Phillips County
AQI 4
Pitkin County
AQI 135
Prowers County
AQI 12
Pueblo County
AQI 146
Rio Blanco County
AQI 11
Rio Grande County
AQI 43
Routt County
AQI 13
Saguache County
AQI 15
San Juan County
AQI 29
San Miguel County
AQI 29
Sedgwick County
AQI 4
Summit County
AQI 8
Teller County
AQI 13
Washington County
AQI 7
Weld County
AQI 152
Yuma County
AQI 4
Data Sources
http://www.airnow.gov/

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