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Colorado

United States

2026-10-06 21:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
113.2
PM10
μg/m³
22.6
CO
μg/m³
208.3
PM2.5
μg/m³
3.8
NO2
μg/m³
4.1
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
15℃
27%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • PM2.5
  • NO2
  • SO2
Places included
Adams County
AQI 146
Alamosa County
AQI 12
Arapahoe County
AQI 127
Archuleta County
AQI 117
Baca County
AQI 3
Bent County
AQI 3
Boulder County
AQI 117
Broomfield County
AQI 26
Chaffee County
AQI 2
Cheyenne County
AQI 3
Clear Creek County
AQI 114
Conejos County
AQI 12
Costilla County
AQI 4
Crowley County
AQI 2
Custer County
AQI 5
Delta County
AQI 17
Denver County
AQI 135
Dolores County
AQI 3
Douglas County
AQI 127
Eagle County
AQI 3
El Paso County
AQI 141
Elbert County
AQI 72
Fremont County
AQI 18
Garfield County
AQI 105
Gilpin County
AQI 120
Grand County
AQI 3
Gunnison County
AQI 99
Hinsdale County
AQI 14
Huerfano County
AQI 2
Jackson County
AQI 4
Jefferson County
AQI 139
La Plata County
AQI 127
Lake County
AQI 2
Larimer County
AQI 109
Las Animas County
AQI 3
Lincoln County
AQI 2
Logan County
AQI 2
Mesa County
AQI 117
Mineral County
AQI 3
Moffat County
AQI 5
Montezuma County
AQI 98
Montrose County
AQI 17
Morgan County
AQI 3
Otero County
AQI 3
Ouray County
AQI 24
Park County
AQI 3
Phillips County
AQI 3
Pitkin County
AQI 86
Prowers County
AQI 18
Pueblo County
AQI 139
Rio Blanco County
AQI 5
Rio Grande County
AQI 12
Routt County
AQI 12
Saguache County
AQI 4
San Juan County
AQI 24
San Miguel County
AQI 24
Sedgwick County
AQI 3
Summit County
AQI 4
Teller County
AQI 7
Washington County
AQI 2
Weld County
AQI 117
Yuma County
AQI 3
Data Sources
http://www.airnow.gov/

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