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Banner with Colorado and CDPHE logos on left with text on right reading Colorado Air Quality with Department of Public Health and Environment on the next line.

Detailed Air Quality Summary for 05/06/26 (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 +]		 AURE Good 42 Ozone 45 PPB 8-hour 1 PM
Ft. Collins - Greeley
[expand +]		 MFP Good 42 Ozone 45 PPB 8-hour 1 PM
Colorado Springs
[expand +]		 MAN Good 40 Ozone 43 PPB 8-hour 1 PM
Grand Junction
[expand +]		 PAL Good 40 Ozone 43 PPB 8-hour 1 PM
Pueblo
[expand +]		 PWES Good 36 Ozone 39 PPB 8-hour 1 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 40 Ozone 43 PPB 8-hour 1 PM
Four Corners
[expand +]		 CTZ Good 44 Ozone 47 PPB 8-hour 1 PM
Steamboat Springs
[expand +]		 SSMB Good 9 Particulate < 2.5 micrometers 1 µg/m3 24-hour 1 PM
Aspen
[expand +]		 ASPN Good 34 Ozone 37 PPB 8-hour 1 PM
Other
[expand +]		 ALA Good 41 Particulate < 10 micrometers 44 µg/m3 24-hour 1 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 METRO
[expand +]		 RFN Good 45 Ozone 49 PPB 8-hour 1 AM
Ft. Collins - Greeley
[expand +]		 FTCW Good 43 Ozone 46 PPB 8-hour 1 AM
Colorado Springs
[expand +]		 MAN Good 40 Ozone 43 PPB 8-hour 1 PM
Grand Junction
[expand +]		 PAL Good 48 Ozone 52 PPB 8-hour 1 AM
Pueblo
[expand +]		 PWES Good 36 Ozone 39 PPB 8-hour 1 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 42 Ozone 45 PPB 8-hour 1 AM
Four Corners
[expand +]		 CTZ Good 50 Ozone 54 PPB 8-hour 1 AM
Steamboat Springs
[expand +]		 SSMB Good 10 Particulate < 2.5 micrometers 1 µg/m3 24-hour 1 AM
Aspen
[expand +]		 ASPN Good 43 Ozone 46 PPB 8-hour 1 AM
Other
[expand +]		 ALA Good 49 Particulate < 10 micrometers 53 µg/m3 24-hour 1 AM

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