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Detailed Air Quality Summary for 03/29/14

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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CHAT Good 50 Ozone 59 PPB 8-hour 7 PM
Ft. Collins - Greeley
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FTCW Good 47 Ozone 55 PPB 8-hour 9 PM
Colorado Springs
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H24 Moderate 51 Sulfur Dioxide 36 PPB 1-hour 11 AM
Grand Junction
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PAL Good 40 Ozone 47 PPB 8-hour 9 PM
Colorado River Valley
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RIFL Good 43 Particulate < 2.5 micrometers 10 µg/m3 24-hour 10 AM
Four Corners
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CTZ Good 42 Ozone 49 PPB 8-hour 6 PM
Other
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ASPN Good 46 Ozone 54 PPB 8-hour 4 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Good 48 0.049 0.038 11 AM
Ft. Collins - Greeley DMA Good 46 0.047 0.034 11 AM

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