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 06/29/20

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 METRO
[expand +]		 BOUR Moderate 67 Ozone 60 PPB 8-hour 9 PM
Ft. Collins - Greeley
[expand +]		 GRET Moderate 67 Ozone 60 PPB 8-hour 6 PM
Colorado Springs
[expand +]		 ACAD Good 48 Ozone 52 PPB 8-hour 3 PM
Grand Junction
[expand +]		 PAL Good 44 Ozone 47 PPB 8-hour 4 AM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFLO3 Good 42 Ozone 45 PPB 8-hour 4 AM
Four Corners
[expand +]		 CTZ Good 43 Ozone 46 PPB 8-hour 6 PM
Steamboat Springs       Valid data unavailable      
Other
[expand +]		 ASPN Good 44 Ozone 47 PPB 8-hour 4 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Moderate 99 0.075 0.046 11 AM

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