1. North America
  2. United States
  3. Colorado

Colorado

United States

2026-06-02 16:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
102.6
PM10
μg/m³
22.3
PM2.5
μg/m³
4.1
NO2
μg/m³
8.3
CO
μg/m³
145.8
SO2
μg/m³
1.5
Weather
  • ℃
  • ℉
16℃
43%
17 kph
9 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 33
Alamosa County
AQI 32
Arapahoe County
AQI 32
Archuleta County
AQI 39
Baca County
AQI 14
Bent County
AQI 35
Boulder County
AQI 33
Broomfield County
AQI 41
Chaffee County
AQI 5
Cheyenne County
AQI 10
Clear Creek County
AQI 30
Conejos County
AQI 32
Costilla County
AQI 11
Crowley County
AQI 32
Custer County
AQI 14
Delta County
AQI 24
Denver County
AQI 32
Dolores County
AQI 4
Douglas County
AQI 31
Eagle County
AQI 4
El Paso County
AQI 26
Elbert County
AQI 20
Fremont County
AQI 21
Garfield County
AQI 31
Gilpin County
AQI 35
Grand County
AQI 4
Gunnison County
AQI 33
Hinsdale County
AQI 15
Huerfano County
AQI 12
Jackson County
AQI 6
Jefferson County
AQI 35
La Plata County
AQI 29
Lake County
AQI 4
Larimer County
AQI 35
Las Animas County
AQI 19
Lincoln County
AQI 14
Logan County
AQI 3
Mesa County
AQI 36
Mineral County
AQI 6
Moffat County
AQI 9
Montezuma County
AQI 35
Montrose County
AQI 24
Morgan County
AQI 4
Otero County
AQI 35
Ouray County
AQI 26
Park County
AQI 8
Phillips County
AQI 2
Pitkin County
AQI 29
Prowers County
AQI 11
Pueblo County
AQI 27
Rio Blanco County
AQI 7
Rio Grande County
AQI 32
Routt County
AQI 19
Saguache County
AQI 10
San Juan County
AQI 26
San Miguel County
AQI 26
Sedgwick County
AQI 2
Summit County
AQI 6
Teller County
AQI 8
Washington County
AQI 2
Weld County
AQI 36
Yuma County
AQI 2
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 19
Georgetown
AQI 31
Breckenridge
AQI 7
Silverthorne
AQI 5
Frisco
AQI 4
Wildernest
AQI 4
Bailey
AQI 29
Idaho Springs
AQI 31
Copper Mountain
AQI 4
Black Hawk
AQI 35
Winter Park
AQI 19