1. North America
  2. United States
  3. Colorado

Colorado

United States

2026-06-02 13:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
74.4
PM10
μg/m³
15.7
NO2
μg/m³
14.6
PM2.5
μg/m³
4
CO
μg/m³
208.3
SO2
μg/m³
1.3
Weather
  • ℃
  • ℉
7℃
61%
6 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Adams County
AQI 27
Alamosa County
AQI 17
Arapahoe County
AQI 31
Archuleta County
AQI 17
Baca County
AQI 14
Bent County
AQI 35
Boulder County
AQI 23
Broomfield County
AQI 19
Chaffee County
AQI 4
Cheyenne County
AQI 6
Clear Creek County
AQI 23
Conejos County
AQI 17
Costilla County
AQI 8
Crowley County
AQI 23
Custer County
AQI 20
Delta County
AQI 34
Denver County
AQI 29
Dolores County
AQI 3
Douglas County
AQI 17
Eagle County
AQI 4
El Paso County
AQI 30
Elbert County
AQI 17
Fremont County
AQI 16
Garfield County
AQI 14
Gilpin County
AQI 25
Grand County
AQI 11
Gunnison County
AQI 27
Hinsdale County
AQI 8
Huerfano County
AQI 17
Jackson County
AQI 11
Jefferson County
AQI 18
La Plata County
AQI 19
Lake County
AQI 4
Larimer County
AQI 23
Las Animas County
AQI 16
Lincoln County
AQI 5
Logan County
AQI 6
Mesa County
AQI 25
Mineral County
AQI 4
Moffat County
AQI 6
Montezuma County
AQI 26
Montrose County
AQI 34
Morgan County
AQI 4
Otero County
AQI 32
Ouray County
AQI 13
Park County
AQI 8
Phillips County
AQI 5
Pitkin County
AQI 25
Prowers County
AQI 9
Pueblo County
AQI 31
Rio Blanco County
AQI 7
Rio Grande County
AQI 17
Routt County
AQI 15
Saguache County
AQI 6
San Juan County
AQI 13
San Miguel County
AQI 13
Sedgwick County
AQI 5
Summit County
AQI 7
Teller County
AQI 5
Washington County
AQI 4
Weld County
AQI 22
Yuma County
AQI 4
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 15
Georgetown
AQI 24
Breckenridge
AQI 7
Silverthorne
AQI 7
Frisco
AQI 6
Wildernest
AQI 7
Bailey
AQI 17
Idaho Springs
AQI 21
Copper Mountain
AQI 6
Black Hawk
AQI 25
Winter Park
AQI 15