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Colorado

United States

2026-06-29 23:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
145.6
PM10
μg/m³
35.2
PM2.5
μg/m³
13.8
CO
μg/m³
166.7
NO2
μg/m³
3.8
SO2
μg/m³
2.6
Weather
  • ℃
  • ℉
17℃
11%
30 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Adams County
AQI 199
Alamosa County
AQI 64
Arapahoe County
AQI 198
Archuleta County
AQI 187
Baca County
AQI 5
Bent County
AQI 15
Boulder County
AQI 165
Broomfield County
AQI 38
Chaffee County
AQI 5
Cheyenne County
AQI 13
Clear Creek County
AQI 165
Conejos County
AQI 64
Costilla County
AQI 14
Crowley County
AQI 15
Custer County
AQI 7
Delta County
AQI 80
Denver County
AQI 190
Dolores County
AQI 5
Douglas County
AQI 241
Eagle County
AQI 8
El Paso County
AQI 176
Elbert County
AQI 107
Fremont County
AQI 22
Garfield County
AQI 114
Gilpin County
AQI 161
Grand County
AQI 8
Gunnison County
AQI 152
Hinsdale County
AQI 10
Huerfano County
AQI 5
Jackson County
AQI 10
Jefferson County
AQI 227
La Plata County
AQI 171
Lake County
AQI 5
Larimer County
AQI 129
Las Animas County
AQI 8
Lincoln County
AQI 11
Logan County
AQI 10
Mesa County
AQI 108
Mineral County
AQI 7
Moffat County
AQI 8
Montezuma County
AQI 171
Montrose County
AQI 80
Morgan County
AQI 10
Otero County
AQI 22
Ouray County
AQI 14
Park County
AQI 6
Phillips County
AQI 10
Pitkin County
AQI 155
Prowers County
AQI 6
Pueblo County
AQI 318
Rio Blanco County
AQI 16
Rio Grande County
AQI 64
Routt County
AQI 16
Saguache County
AQI 13
San Juan County
AQI 14
San Miguel County
AQI 14
Sedgwick County
AQI 10
Summit County
AQI 8
Teller County
AQI 8
Washington County
AQI 10
Weld County
AQI 158
Yuma County
AQI 10
Data Sources
http://www.airnow.gov/

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