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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 02/13/26 (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 +]		 I25DEN Moderate 51 Particulate < 2.5 micrometers 9 µg/m3 24-hour 4 AM
Ft. Collins - Greeley
[expand +]		 PMS Moderate 53 Particulate < 2.5 micrometers 10 µg/m3 24-hour 4 AM
Colorado Springs
[expand +]		 MAN Good 35 Ozone 38 PPB 8-hour 4 AM
Grand Junction
[expand +]		 PAL Good 31 Ozone 33 PPB 8-hour 4 AM
Pueblo
[expand +]		 PWES Good 27 Ozone 29 PPB 8-hour 4 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 7 Ozone 8 PPB 8-hour 4 AM
Four Corners
[expand +]		 CTZ Good 24 Ozone 26 PPB 8-hour 4 AM
Steamboat Springs
[expand +]		 SSMB Good 21 Particulate < 2.5 micrometers 3 µg/m3 24-hour 4 AM
Aspen
[expand +]		 ASPN Good 18 Ozone 19 PPB 8-hour 4 AM
Other
[expand +]		 ALA Good 33 Particulate < 2.5 micrometers 5 µg/m3 24-hour 4 AM

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 +]		 I25DEN Moderate 52 Particulate < 2.5 micrometers 9 µg/m3 24-hour 1 AM
Ft. Collins - Greeley
[expand +]		 PMS Moderate 56 Particulate < 2.5 micrometers 11 µg/m3 24-hour 1 AM
Colorado Springs
[expand +]		 MAN Good 37 Ozone 40 PPB 8-hour 1 AM
Grand Junction
[expand +]		 PAL Good 31 Ozone 34 PPB 8-hour 3 AM
Pueblo
[expand +]		 PWES Good 30 Ozone 32 PPB 8-hour 1 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 9 Ozone 10 PPB 8-hour 1 AM
Four Corners
[expand +]		 CTZ Good 26 Ozone 28 PPB 8-hour 1 AM
Steamboat Springs
[expand +]		 SSMB Good 22 Particulate < 2.5 micrometers 3 µg/m3 24-hour 3 AM
Aspen
[expand +]		 ASPN Good 20 Ozone 22 PPB 8-hour 1 AM
Other
[expand +]		 ALA Good 33 Particulate < 2.5 micrometers 5 µg/m3 24-hour 3 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