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Colorado

United States

2026-06-18 02:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
46.3
O3
μg/m³
109.6
PM2.5
μg/m³
5.5
NO2
μg/m³
5.3
CO
μg/m³
208.3
SO2
μg/m³
2.4
Weather
  • ℃
  • ℉
11℃
36%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 98
Alamosa County
AQI 32
Arapahoe County
AQI 40
Archuleta County
AQI 29
Baca County
AQI 7
Bent County
AQI 10
Boulder County
AQI 46
Broomfield County
AQI 110
Chaffee County
AQI 7
Cheyenne County
AQI 10
Clear Creek County
AQI 37
Conejos County
AQI 32
Costilla County
AQI 7
Crowley County
AQI 6
Custer County
AQI 5
Delta County
AQI 42
Denver County
AQI 55
Dolores County
AQI 3
Douglas County
AQI 50
Eagle County
AQI 3
El Paso County
AQI 31
Elbert County
AQI 24
Fremont County
AQI 41
Garfield County
AQI 40
Gilpin County
AQI 46
Grand County
AQI 3
Gunnison County
AQI 35
Hinsdale County
AQI 9
Huerfano County
AQI 3
Jackson County
AQI 11
Jefferson County
AQI 49
La Plata County
AQI 29
Lake County
AQI 6
Larimer County
AQI 49
Las Animas County
AQI 3
Lincoln County
AQI 11
Logan County
AQI 5
Mesa County
AQI 37
Mineral County
AQI 3
Moffat County
AQI 14
Montezuma County
AQI 29
Montrose County
AQI 42
Morgan County
AQI 5
Otero County
AQI 5
Ouray County
AQI 23
Park County
AQI 3
Phillips County
AQI 5
Pitkin County
AQI 29
Prowers County
AQI 65
Pueblo County
AQI 62
Rio Blanco County
AQI 2
Rio Grande County
AQI 32
Routt County
AQI 19
Saguache County
AQI 8
San Juan County
AQI 23
San Miguel County
AQI 23
Sedgwick County
AQI 4
Summit County
AQI 5
Teller County
AQI 8
Washington County
AQI 7
Weld County
AQI 55
Yuma County
AQI 6
Data Sources
http://www.airnow.gov/

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