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Colorado

United States

2026-06-18 18:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
131.3
PM10
μg/m³
34.4
CO
μg/m³
229.2
NO2
μg/m³
8.1
PM2.5
μg/m³
4.6
SO2
μg/m³
2.5
Weather
  • ℃
  • ℉
20℃
13%
20 kph
11 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Adams County
AQI 165
Alamosa County
AQI 41
Arapahoe County
AQI 165
Archuleta County
AQI 149
Baca County
AQI 30
Bent County
AQI 19
Boulder County
AQI 143
Broomfield County
AQI 52
Chaffee County
AQI 6
Cheyenne County
AQI 7
Clear Creek County
AQI 126
Conejos County
AQI 41
Costilla County
AQI 15
Crowley County
AQI 19
Custer County
AQI 14
Delta County
AQI 34
Denver County
AQI 160
Dolores County
AQI 4
Douglas County
AQI 165
Eagle County
AQI 11
El Paso County
AQI 111
Elbert County
AQI 78
Fremont County
AQI 28
Garfield County
AQI 168
Gilpin County
AQI 143
Grand County
AQI 8
Gunnison County
AQI 171
Hinsdale County
AQI 12
Huerfano County
AQI 16
Jackson County
AQI 6
Jefferson County
AQI 159
La Plata County
AQI 102
Lake County
AQI 7
Larimer County
AQI 135
Las Animas County
AQI 21
Lincoln County
AQI 8
Logan County
AQI 7
Mesa County
AQI 187
Mineral County
AQI 6
Moffat County
AQI 7
Montezuma County
AQI 124
Montrose County
AQI 34
Morgan County
AQI 6
Otero County
AQI 26
Ouray County
AQI 17
Park County
AQI 7
Phillips County
AQI 8
Pitkin County
AQI 146
Prowers County
AQI 30
Pueblo County
AQI 111
Rio Blanco County
AQI 9
Rio Grande County
AQI 41
Routt County
AQI 25
Saguache County
AQI 13
San Juan County
AQI 17
San Miguel County
AQI 17
Sedgwick County
AQI 8
Summit County
AQI 11
Teller County
AQI 7
Washington County
AQI 7
Weld County
AQI 138
Yuma County
AQI 8
Data Sources
http://www.airnow.gov/

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