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  3. Colorado

Colorado

United States

2026-06-02 00:00
AQI (US)
Moderate
Pollutants|Pollens
O3
μg/m³
129.2
PM2.5
μg/m³
3.7
PM10
μg/m³
18.8
NO2
μg/m³
6.6
CO
μg/m³
208.3
SO2
μg/m³
1.2
Weather
  • ℃
  • ℉
12℃
30%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 60
Alamosa County
AQI 17
Arapahoe County
AQI 72
Archuleta County
AQI 85
Baca County
AQI 22
Bent County
AQI 29
Boulder County
AQI 72
Broomfield County
AQI 25
Chaffee County
AQI 14
Cheyenne County
AQI 36
Clear Creek County
AQI 64
Conejos County
AQI 17
Costilla County
AQI 10
Crowley County
AQI 33
Custer County
AQI 17
Delta County
AQI 19
Denver County
AQI 51
Dolores County
AQI 12
Douglas County
AQI 79
Eagle County
AQI 17
El Paso County
AQI 51
Elbert County
AQI 35
Fremont County
AQI 24
Garfield County
AQI 69
Gilpin County
AQI 76
Grand County
AQI 16
Gunnison County
AQI 66
Hinsdale County
AQI 16
Huerfano County
AQI 13
Jackson County
AQI 20
Jefferson County
AQI 79
La Plata County
AQI 74
Lake County
AQI 14
Larimer County
AQI 77
Las Animas County
AQI 11
Lincoln County
AQI 31
Logan County
AQI 24
Mesa County
AQI 69
Mineral County
AQI 10
Moffat County
AQI 24
Montezuma County
AQI 68
Montrose County
AQI 19
Morgan County
AQI 25
Otero County
AQI 27
Ouray County
AQI 19
Park County
AQI 14
Phillips County
AQI 31
Pitkin County
AQI 49
Prowers County
AQI 23
Pueblo County
AQI 63
Rio Blanco County
AQI 23
Rio Grande County
AQI 17
Routt County
AQI 18
Saguache County
AQI 13
San Juan County
AQI 19
San Miguel County
AQI 19
Sedgwick County
AQI 24
Summit County
AQI 15
Teller County
AQI 34
Washington County
AQI 41
Weld County
AQI 83
Yuma County
AQI 45
Data Sources
http://www.airnow.gov/

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AQI 34
Georgetown
AQI 69
Breckenridge
AQI 16
Silverthorne
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Frisco
AQI 15
Wildernest
AQI 15
Bailey
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Idaho Springs
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Winter Park
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