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Colorado

United States

2026-05-30 19:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
134.8
PM10
μg/m³
13.8
PM2.5
μg/m³
2.9
CO
μg/m³
187.5
NO2
μg/m³
3.4
SO2
μg/m³
1
Weather
  • ℃
  • ℉
7℃
32%
12 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Adams County
AQI 45
Alamosa County
AQI 14
Arapahoe County
AQI 44
Archuleta County
AQI 43
Baca County
AQI 14
Bent County
AQI 27
Boulder County
AQI 41
Broomfield County
AQI 23
Chaffee County
AQI 6
Cheyenne County
AQI 10
Clear Creek County
AQI 40
Conejos County
AQI 14
Costilla County
AQI 7
Crowley County
AQI 13
Custer County
AQI 7
Delta County
AQI 11
Denver County
AQI 44
Dolores County
AQI 5
Douglas County
AQI 45
Eagle County
AQI 5
El Paso County
AQI 49
Elbert County
AQI 26
Fremont County
AQI 14
Garfield County
AQI 36
Gilpin County
AQI 45
Grand County
AQI 5
Gunnison County
AQI 41
Hinsdale County
AQI 6
Huerfano County
AQI 6
Jackson County
AQI 5
Jefferson County
AQI 45
La Plata County
AQI 41
Lake County
AQI 6
Larimer County
AQI 42
Las Animas County
AQI 8
Lincoln County
AQI 8
Logan County
AQI 12
Mesa County
AQI 36
Mineral County
AQI 6
Moffat County
AQI 4
Montezuma County
AQI 39
Montrose County
AQI 11
Morgan County
AQI 8
Otero County
AQI 19
Ouray County
AQI 6
Park County
AQI 5
Phillips County
AQI 16
Pitkin County
AQI 37
Prowers County
AQI 18
Pueblo County
AQI 49
Rio Blanco County
AQI 3
Rio Grande County
AQI 14
Routt County
AQI 6
Saguache County
AQI 7
San Juan County
AQI 6
San Miguel County
AQI 6
Sedgwick County
AQI 14
Summit County
AQI 7
Teller County
AQI 5
Washington County
AQI 9
Weld County
AQI 41
Yuma County
AQI 15
Data Sources
http://www.airnow.gov/

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