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Colorado

United States

2026-05-30 13:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
77.4
PM10
μg/m³
16.2
NO2
μg/m³
21.6
PM2.5
μg/m³
3.7
CO
μg/m³
270.8
SO2
μg/m³
2.2
Weather
  • ℃
  • ℉
2℃
75%
11 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Adams County
AQI 38
Alamosa County
AQI 17
Arapahoe County
AQI 23
Archuleta County
AQI 20
Baca County
AQI 26
Bent County
AQI 51
Boulder County
AQI 16
Broomfield County
AQI 52
Chaffee County
AQI 6
Cheyenne County
AQI 12
Clear Creek County
AQI 25
Conejos County
AQI 17
Costilla County
AQI 8
Crowley County
AQI 17
Custer County
AQI 8
Delta County
AQI 16
Denver County
AQI 24
Dolores County
AQI 8
Douglas County
AQI 16
Eagle County
AQI 7
El Paso County
AQI 34
Elbert County
AQI 15
Fremont County
AQI 19
Garfield County
AQI 15
Gilpin County
AQI 35
Grand County
AQI 7
Gunnison County
AQI 41
Hinsdale County
AQI 7
Huerfano County
AQI 5
Jackson County
AQI 4
Jefferson County
AQI 25
La Plata County
AQI 27
Lake County
AQI 6
Larimer County
AQI 23
Las Animas County
AQI 7
Lincoln County
AQI 8
Logan County
AQI 9
Mesa County
AQI 37
Mineral County
AQI 7
Moffat County
AQI 6
Montezuma County
AQI 28
Montrose County
AQI 16
Morgan County
AQI 16
Otero County
AQI 31
Ouray County
AQI 7
Park County
AQI 6
Phillips County
AQI 10
Pitkin County
AQI 36
Prowers County
AQI 18
Pueblo County
AQI 45
Rio Blanco County
AQI 6
Rio Grande County
AQI 17
Routt County
AQI 8
Saguache County
AQI 8
San Juan County
AQI 7
San Miguel County
AQI 7
Sedgwick County
AQI 10
Summit County
AQI 7
Teller County
AQI 6
Washington County
AQI 10
Weld County
AQI 21
Yuma County
AQI 12
Data Sources
http://www.airnow.gov/

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