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 05/22/13

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 +]		 SBC Moderate 77 Ozone 68 PPB 8-hour 7 PM
Ft. Collins - Greeley
[expand +]		 FTCW Moderate 67 Ozone 65 PPB 8-hour 7 PM
Colorado Springs
[expand +]		 ACAD Moderate 51 Ozone 60 PPB 8-hour 7 PM
Grand Junction
[expand +]		 PAL Moderate 61 Ozone 63 PPB 8-hour 6 PM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFLO3 Moderate 58 Ozone 62 PPB 8-hour 7 PM
Four Corners
[expand +]		 CTZ Good 50 Ozone 59 PPB 8-hour 6 PM
Steamboat Springs       Valid data unavailable      
Aspen       Valid data unavailable      
Other
[expand +]		 LAY Moderate 54 Ozone 61 PPB 8-hour 9 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 124 0.094 0.071 11 AM
Ft. Collins - Greeley DMA Poor 125 0.094 0.091 3 PM

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