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Colorado

United States

2026-06-25 20:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
107.6
PM10
μg/m³
25.2
PM2.5
μg/m³
8.9
CO
μg/m³
229.2
NO2
μg/m³
9.1
SO2
μg/m³
2.5
Weather
  • ℃
  • ℉
15℃
41%
19 kph
5 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Adams County
AQI 146
Alamosa County
AQI 57
Arapahoe County
AQI 128
Archuleta County
AQI 136
Baca County
AQI 8
Bent County
AQI 6
Boulder County
AQI 108
Broomfield County
AQI 26
Chaffee County
AQI 5
Cheyenne County
AQI 5
Clear Creek County
AQI 97
Conejos County
AQI 57
Costilla County
AQI 11
Crowley County
AQI 6
Custer County
AQI 8
Delta County
AQI 29
Denver County
AQI 130
Dolores County
AQI 6
Douglas County
AQI 120
Eagle County
AQI 13
El Paso County
AQI 98
Elbert County
AQI 73
Fremont County
AQI 27
Garfield County
AQI 111
Gilpin County
AQI 99
Grand County
AQI 10
Gunnison County
AQI 99
Hinsdale County
AQI 10
Huerfano County
AQI 4
Jackson County
AQI 12
Jefferson County
AQI 133
La Plata County
AQI 86
Lake County
AQI 7
Larimer County
AQI 104
Las Animas County
AQI 4
Lincoln County
AQI 5
Logan County
AQI 2
Mesa County
AQI 124
Mineral County
AQI 4
Moffat County
AQI 17
Montezuma County
AQI 102
Montrose County
AQI 29
Morgan County
AQI 4
Otero County
AQI 9
Ouray County
AQI 15
Park County
AQI 7
Phillips County
AQI 2
Pitkin County
AQI 86
Prowers County
AQI 21
Pueblo County
AQI 114
Rio Blanco County
AQI 17
Rio Grande County
AQI 57
Routt County
AQI 35
Saguache County
AQI 11
San Juan County
AQI 15
San Miguel County
AQI 15
Sedgwick County
AQI 3
Summit County
AQI 11
Teller County
AQI 12
Washington County
AQI 4
Weld County
AQI 102
Yuma County
AQI 2
Data Sources
http://www.airnow.gov/

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