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Colorado

United States

2026-06-28 17:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
131.6
PM10
μg/m³
43.2
PM2.5
μg/m³
17.8
CO
μg/m³
187.5
NO2
μg/m³
3.8
SO2
μg/m³
2.2
Weather
  • ℃
  • ℉
19℃
23%
32 kph
11 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Adams County
AQI 165
Alamosa County
AQI 61
Arapahoe County
AQI 155
Archuleta County
AQI 152
Baca County
AQI 12
Bent County
AQI 30
Boulder County
AQI 165
Broomfield County
AQI 38
Chaffee County
AQI 9
Cheyenne County
AQI 20
Clear Creek County
AQI 135
Conejos County
AQI 52
Costilla County
AQI 16
Crowley County
AQI 27
Custer County
AQI 15
Delta County
AQI 262
Denver County
AQI 149
Dolores County
AQI 9
Douglas County
AQI 149
Eagle County
AQI 11
El Paso County
AQI 149
Elbert County
AQI 85
Fremont County
AQI 30
Garfield County
AQI 139
Gilpin County
AQI 143
Grand County
AQI 10
Gunnison County
AQI 152
Hinsdale County
AQI 16
Huerfano County
AQI 10
Jackson County
AQI 10
Jefferson County
AQI 168
La Plata County
AQI 103
Lake County
AQI 7
Larimer County
AQI 149
Las Animas County
AQI 13
Lincoln County
AQI 18
Logan County
AQI 8
Mesa County
AQI 139
Mineral County
AQI 11
Moffat County
AQI 14
Montezuma County
AQI 131
Montrose County
AQI 262
Morgan County
AQI 7
Otero County
AQI 33
Ouray County
AQI 24
Park County
AQI 8
Phillips County
AQI 7
Pitkin County
AQI 139
Prowers County
AQI 26
Pueblo County
AQI 136
Rio Blanco County
AQI 20
Rio Grande County
AQI 52
Routt County
AQI 33
Saguache County
AQI 16
San Juan County
AQI 24
San Miguel County
AQI 24
Sedgwick County
AQI 9
Summit County
AQI 11
Teller County
AQI 38
Washington County
AQI 7
Weld County
AQI 163
Yuma County
AQI 7
Data Sources
http://www.airnow.gov/

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