1. North America
  2. United States
  3. Colorado

Colorado

United States

2026-06-20 07:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
37.2
O3
μg/m³
89.9
PM2.5
μg/m³
5.9
NO2
μg/m³
7.4
CO
μg/m³
166.7
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
6℃
61%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 51
Alamosa County
AQI 30
Arapahoe County
AQI 46
Archuleta County
AQI 19
Baca County
AQI 8
Bent County
AQI 17
Boulder County
AQI 46
Broomfield County
AQI 54
Chaffee County
AQI 6
Cheyenne County
AQI 9
Clear Creek County
AQI 30
Conejos County
AQI 30
Costilla County
AQI 9
Crowley County
AQI 18
Custer County
AQI 11
Delta County
AQI 33
Denver County
AQI 45
Dolores County
AQI 6
Douglas County
AQI 42
Eagle County
AQI 6
El Paso County
AQI 25
Elbert County
AQI 20
Fremont County
AQI 30
Garfield County
AQI 27
Gilpin County
AQI 46
Grand County
AQI 8
Gunnison County
AQI 29
Hinsdale County
AQI 59
Huerfano County
AQI 6
Jackson County
AQI 8
Jefferson County
AQI 43
La Plata County
AQI 22
Lake County
AQI 6
Larimer County
AQI 32
Las Animas County
AQI 9
Lincoln County
AQI 11
Logan County
AQI 12
Mesa County
AQI 32
Mineral County
AQI 8
Moffat County
AQI 9
Montezuma County
AQI 33
Montrose County
AQI 33
Morgan County
AQI 8
Otero County
AQI 25
Ouray County
AQI 51
Park County
AQI 9
Phillips County
AQI 13
Pitkin County
AQI 29
Prowers County
AQI 24
Pueblo County
AQI 40
Rio Blanco County
AQI 17
Rio Grande County
AQI 30
Routt County
AQI 17
Saguache County
AQI 9
San Juan County
AQI 51
San Miguel County
AQI 51
Sedgwick County
AQI 13
Summit County
AQI 10
Teller County
AQI 9
Washington County
AQI 8
Weld County
AQI 35
Yuma County
AQI 15
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 18
Georgetown
AQI 30
Breckenridge
AQI 12
Silverthorne
AQI 9
Frisco
AQI 7
Wildernest
AQI 7
Bailey
AQI 28
Idaho Springs
AQI 38
Copper Mountain
AQI 7
Black Hawk
AQI 37
Winter Park
AQI 18