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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 07/12/25 (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 +]		 CAMP Moderate 68 Particulate < 2.5 micrometers 18 µg/m3 24-hour 5 AM
Ft. Collins - Greeley
[expand +]		 PMS Moderate 65 Particulate < 2.5 micrometers 16 µg/m3 24-hour 5 AM
Colorado Springs
[expand +]		 MAN Good 37 Ozone 40 PPB 8-hour 5 AM
Grand Junction
[expand +]		 PAL Good 37 Ozone 40 PPB 8-hour 5 AM
Pueblo
[expand +]		 PFS Good 46 Particulate < 2.5 micrometers 8 µg/m3 24-hour 5 AM
Colorado River Valley
[expand +]		 RIFL Good 32 Particulate < 2.5 micrometers 5 µg/m3 24-hour 5 AM
Four Corners
[expand +]		 PAG Moderate 81 Particulate < 2.5 micrometers 25 µg/m3 24-hour 5 AM
Steamboat Springs
[expand +]		 SSMB Good 32 Particulate < 2.5 micrometers 5 µg/m3 24-hour 5 AM
Other
[expand +]		 TEL Moderate 79 Particulate < 2.5 micrometers 23 µg/m3 24-hour 5 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 +]		 CAMP Moderate 68 Particulate < 2.5 micrometers 18 µg/m3 24-hour 5 AM
Ft. Collins - Greeley
[expand +]		 PMS Moderate 65 Particulate < 2.5 micrometers 16 µg/m3 24-hour 4 AM
Colorado Springs
[expand +]		 MAN Good 43 Ozone 46 PPB 8-hour 1 AM
Grand Junction
[expand +]		 PAL Good 45 Ozone 49 PPB 8-hour 1 AM
Pueblo
[expand +]		 PWES Good 47 Ozone 51 PPB 8-hour 1 AM
Colorado River Valley
[expand +]		 RIFL Good 34 Particulate < 2.5 micrometers 6 µg/m3 24-hour 3 AM
Four Corners
[expand +]		 PAG Moderate 88 Particulate < 2.5 micrometers 28 µg/m3 24-hour 1 AM
Steamboat Springs
[expand +]		 SSMB Good 32 Particulate < 2.5 micrometers 5 µg/m3 24-hour 4 AM
Other
[expand +]		 TEL Moderate 91 Particulate < 2.5 micrometers 30 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