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Colorado

United States

2026-06-23 23:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
130.3
PM10
μg/m³
30.4
PM2.5
μg/m³
7.6
CO
μg/m³
208.3
NO2
μg/m³
5.3
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
16℃
49%
8 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Adams County
AQI 146
Alamosa County
AQI 24
Arapahoe County
AQI 161
Archuleta County
AQI 165
Baca County
AQI 10
Bent County
AQI 17
Boulder County
AQI 139
Broomfield County
AQI 41
Chaffee County
AQI 3
Cheyenne County
AQI 6
Clear Creek County
AQI 144
Conejos County
AQI 28
Costilla County
AQI 7
Crowley County
AQI 17
Custer County
AQI 12
Delta County
AQI 36
Denver County
AQI 139
Dolores County
AQI 4
Douglas County
AQI 171
Eagle County
AQI 6
El Paso County
AQI 105
Elbert County
AQI 87
Fremont County
AQI 57
Garfield County
AQI 149
Gilpin County
AQI 161
Grand County
AQI 7
Gunnison County
AQI 158
Hinsdale County
AQI 11
Huerfano County
AQI 4
Jackson County
AQI 11
Jefferson County
AQI 167
La Plata County
AQI 138
Lake County
AQI 4
Larimer County
AQI 126
Las Animas County
AQI 5
Lincoln County
AQI 9
Logan County
AQI 9
Mesa County
AQI 149
Mineral County
AQI 5
Moffat County
AQI 15
Montezuma County
AQI 125
Montrose County
AQI 32
Morgan County
AQI 11
Otero County
AQI 22
Ouray County
AQI 18
Park County
AQI 8
Phillips County
AQI 7
Pitkin County
AQI 133
Prowers County
AQI 19
Pueblo County
AQI 146
Rio Blanco County
AQI 15
Rio Grande County
AQI 28
Routt County
AQI 41
Saguache County
AQI 7
San Juan County
AQI 18
San Miguel County
AQI 17
Sedgwick County
AQI 6
Summit County
AQI 6
Teller County
AQI 18
Washington County
AQI 10
Weld County
AQI 133
Yuma County
AQI 7
Data Sources
http://www.airnow.gov/

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