1. North America
  2. United States
  3. Colorado

Colorado

United States

2026-06-02 16:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
96.9
PM2.5
μg/m³
4.4
PM10
μg/m³
22.6
NO2
μg/m³
10.2
CO
μg/m³
166.7
SO2
μg/m³
1.3
Weather
  • ℃
  • ℉
13℃
51%
16 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 43
Alamosa County
AQI 35
Arapahoe County
AQI 44
Archuleta County
AQI 47
Baca County
AQI 29
Bent County
AQI 44
Boulder County
AQI 42
Broomfield County
AQI 29
Chaffee County
AQI 14
Cheyenne County
AQI 21
Clear Creek County
AQI 37
Conejos County
AQI 35
Costilla County
AQI 22
Crowley County
AQI 44
Custer County
AQI 26
Delta County
AQI 23
Denver County
AQI 41
Dolores County
AQI 9
Douglas County
AQI 42
Eagle County
AQI 10
El Paso County
AQI 34
Elbert County
AQI 27
Fremont County
AQI 25
Garfield County
AQI 39
Gilpin County
AQI 47
Grand County
AQI 12
Gunnison County
AQI 46
Hinsdale County
AQI 15
Huerfano County
AQI 27
Jackson County
AQI 19
Jefferson County
AQI 43
La Plata County
AQI 32
Lake County
AQI 12
Larimer County
AQI 44
Las Animas County
AQI 39
Lincoln County
AQI 20
Logan County
AQI 7
Mesa County
AQI 44
Mineral County
AQI 11
Moffat County
AQI 22
Montezuma County
AQI 47
Montrose County
AQI 23
Morgan County
AQI 9
Otero County
AQI 50
Ouray County
AQI 24
Park County
AQI 25
Phillips County
AQI 6
Pitkin County
AQI 39
Prowers County
AQI 15
Pueblo County
AQI 38
Rio Blanco County
AQI 18
Rio Grande County
AQI 35
Routt County
AQI 24
Saguache County
AQI 16
San Juan County
AQI 24
San Miguel County
AQI 24
Sedgwick County
AQI 8
Summit County
AQI 13
Teller County
AQI 27
Washington County
AQI 6
Weld County
AQI 49
Yuma County
AQI 5
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 23
Georgetown
AQI 37
Breckenridge
AQI 13
Silverthorne
AQI 12
Frisco
AQI 12
Wildernest
AQI 11
Bailey
AQI 36
Idaho Springs
AQI 38
Copper Mountain
AQI 12
Black Hawk
AQI 47
Winter Park
AQI 22