Colorado
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Detailed Air Quality Summary for 01/06/26 (Today)

Air Quality Forecasts and Advisories & Colorado Smoke Outlook
Learn more about monitoring sites: site descriptions and
real-time monitoring map

All data are collected real-time and have not been corrected nor validated.		 Current Air Quality

Current Hour:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver METRO
[expand +]		 ADB Moderate 51 Particulate < 10 micrometers 56 µg/m3 24-hour 11 PM
Ft. Collins - Greeley
[expand +]		 FTCW Good 44 Ozone 47 PPB 8-hour 11 PM
Colorado Springs
[expand +]		 MAN Good 39 Ozone 42 PPB 8-hour 11 PM
Grand Junction
[expand +]		 GJPB Good 37 Particulate < 2.5 micrometers 6 µg/m3 24-hour 11 PM
Pueblo
[expand +]		 PWES Good 38 Ozone 41 PPB 8-hour 11 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 22 Ozone 24 PPB 8-hour 11 PM
Four Corners
[expand +]		 CTZ Good 22 Ozone 24 PPB 8-hour 11 PM
Steamboat Springs
[expand +]		 SSMB Good 14 Particulate < 2.5 micrometers 2 µg/m3 24-hour 11 PM
Aspen
[expand +]		 ASPN Good 27 Ozone 29 PPB 8-hour 11 PM
Other
[expand +]		 ALA Good 23 Particulate < 10 micrometers 25 µg/m3 24-hour 11 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
No valid VSI calculations found (12pm - 4pm)

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver       Valid data unavailable      
Ft. Collins - Greeley       Valid data unavailable      
Colorado Springs       Valid data unavailable      
Grand Junction       Valid data unavailable      
Pueblo       Valid data unavailable      
Colorado River Valley       Valid data unavailable      
Four Corners       Valid data unavailable      
Steamboat Springs       Valid data unavailable      
Aspen       Valid data unavailable      

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
No valid VSI calculations found (12pm - 4pm)

* All data are reported in Mountain Standard Time (MST). During daylight savings time add one hour to the reported hour.

AQI health statements
Site information and abbreviations