Colorado
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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 05/14/26 (Yesterday)

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.

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver
[expand +]		 AURE Moderate 90 Ozone 67 PPB 8-hour 10 PM
Ft. Collins - Greeley
[expand +]		 FTC Moderate 84 Ozone 65 PPB 8-hour 8 PM
Colorado Springs
[expand +]		 MAN Moderate 67 Ozone 60 PPB 8-hour 5 PM
Grand Junction
[expand +]		 PAL Moderate 74 Ozone 62 PPB 8-hour 8 PM
Colorado River Valley
[expand +]		 RIFLO3 Moderate 58 Ozone 57 PPB 8-hour 6 PM
Four Corners
[expand +]		 CTZ Moderate 74 Ozone 62 PPB 8-hour 6 PM
Other
[expand +]		 LMB Good 40 Particulate < 10 micrometers 43 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 43 0.044 0.036 11 AM

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