1. North America
  2. United States
  3. Colorado

Colorado

United States

2026-06-22 14:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
10
PM10
μg/m³
42.4
O3
μg/m³
75.7
NO2
μg/m³
17.6
CO
μg/m³
291.7
SO2
μg/m³
2.8
Weather
  • ℃
  • ℉
15℃
24%
9 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 54
Alamosa County
AQI 66
Arapahoe County
AQI 43
Archuleta County
AQI 51
Baca County
AQI 11
Bent County
AQI 14
Boulder County
AQI 38
Broomfield County
AQI 61
Chaffee County
AQI 35
Cheyenne County
AQI 9
Clear Creek County
AQI 33
Conejos County
AQI 66
Costilla County
AQI 52
Crowley County
AQI 29
Custer County
AQI 51
Delta County
AQI 61
Denver County
AQI 49
Dolores County
AQI 25
Douglas County
AQI 43
Eagle County
AQI 22
El Paso County
AQI 44
Elbert County
AQI 36
Fremont County
AQI 52
Garfield County
AQI 34
Gilpin County
AQI 36
Grand County
AQI 22
Gunnison County
AQI 37
Hinsdale County
AQI 51
Huerfano County
AQI 51
Jackson County
AQI 17
Jefferson County
AQI 38
La Plata County
AQI 63
Lake County
AQI 30
Larimer County
AQI 45
Las Animas County
AQI 39
Lincoln County
AQI 17
Logan County
AQI 8
Mesa County
AQI 52
Mineral County
AQI 29
Moffat County
AQI 17
Montezuma County
AQI 44
Montrose County
AQI 61
Morgan County
AQI 14
Otero County
AQI 30
Ouray County
AQI 59
Park County
AQI 36
Phillips County
AQI 9
Pitkin County
AQI 49
Prowers County
AQI 7
Pueblo County
AQI 45
Rio Blanco County
AQI 17
Rio Grande County
AQI 66
Routt County
AQI 22
Saguache County
AQI 44
San Juan County
AQI 59
San Miguel County
AQI 59
Sedgwick County
AQI 7
Summit County
AQI 28
Teller County
AQI 44
Washington County
AQI 10
Weld County
AQI 53
Yuma County
AQI 10
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Keystone
AQI 33
Georgetown
AQI 34
Breckenridge
AQI 30
Silverthorne
AQI 27
Frisco
AQI 26
Wildernest
AQI 25
Bailey
AQI 35
Idaho Springs
AQI 34
Copper Mountain
AQI 26
Black Hawk
AQI 36
Winter Park
AQI 28