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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 06/02/26 (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 +]		 EVG Moderate 61 Ozone 58 PPB 8-hour 6 PM
Ft. Collins - Greeley
[expand +]		 MFP Moderate 61 Ozone 58 PPB 8-hour 6 PM
Colorado Springs
[expand +]		 MAN Good 42 Ozone 45 PPB 8-hour 6 PM
Grand Junction
[expand +]		 PAL Moderate 67 Ozone 60 PPB 8-hour 6 PM
Pueblo
[expand +]		 PWES Good 44 Ozone 47 PPB 8-hour 6 PM
Colorado River Valley
[expand +]		 RIFLO3 Moderate 61 Ozone 58 PPB 8-hour 6 PM
Four Corners
[expand +]		 CTZ Moderate 58 Ozone 57 PPB 8-hour 6 PM
Steamboat Springs
[expand +]		 SSMB Good 20 Particulate < 2.5 micrometers 3 µg/m3 24-hour 6 PM
Aspen
[expand +]		 ASPN Good 48 Ozone 52 PPB 8-hour 6 PM
Other
[expand +]		 ALA Good 24 Particulate < 10 micrometers 26 µg/m3 24-hour 6 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver METRO
[expand +]		 EVG Moderate 61 Ozone 58 PPB 8-hour 6 PM
Ft. Collins - Greeley
[expand +]		 MFP Moderate 61 Ozone 58 PPB 8-hour 6 PM
Colorado Springs
[expand +]		 MAN Good 45 Ozone 49 PPB 8-hour 1 AM
Grand Junction
[expand +]		 PAL Moderate 67 Ozone 60 PPB 8-hour 6 PM
Pueblo
[expand +]		 PWES Good 48 Ozone 52 PPB 8-hour 1 AM
Colorado River Valley
[expand +]		 RIFLO3 Moderate 61 Ozone 58 PPB 8-hour 6 PM
Four Corners
[expand +]		 CTZ Moderate 58 Ozone 57 PPB 8-hour 6 PM
Steamboat Springs
[expand +]		 SSMB Good 20 Particulate < 2.5 micrometers 3 µg/m3 24-hour 2 PM
Aspen
[expand +]		 ASPN Good 48 Ozone 52 PPB 8-hour 6 PM
Other
[expand +]		 LMB Good 31 Particulate < 2.5 micrometers 5 µg/m3 24-hour 1 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Good 48 0.048 0.039 11 AM

* 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