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Detailed Air Quality Summary for 05/12/13

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
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HLD Moderate 71 Ozone 66 PPB 8-hour 6 PM
Ft. Collins - Greeley
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GRET Good 48 Ozone 57 PPB 8-hour 5 PM
Colorado Springs
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ACAD Moderate 67 Ozone 65 PPB 8-hour 7 PM
Grand Junction
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PAL Good 48 Ozone 57 PPB 8-hour 6 PM
Colorado River Valley
[expand +]
RIFLO3 Good 47 Ozone 55 PPB 8-hour 6 PM
Four Corners
[expand +]
CTZ Good 47 Ozone 56 PPB 8-hour 6 PM
Other
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LAY Good 46 Ozone 54 PPB 8-hour 5 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Moderate 51 0.051 0.047 11 AM
Ft. Collins - Greeley DMA Moderate 97 0.074 0.074 11 AM

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