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Detailed Air Quality Summary for 12/06/17

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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I25GLO Good 49 Nitrogen Dioxide 52 PPB 1-hour 8 AM
Ft. Collins - Greeley
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GREH Good 41 Particulate < 2.5 micrometers 10 µg/m3 24-hour 1 AM
Colorado Springs
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ACAD Good 35 Ozone 38 PPB 8-hour 6 PM
Grand Junction
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PAL Good 36 Ozone 39 PPB 8-hour 9 PM
Colorado River Valley
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RIFLO3 Good 32 Ozone 35 PPB 8-hour 9 PM
Four Corners
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CTZ Good 40 Ozone 43 PPB 8-hour 9 PM
Other
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DELT Good 40 Particulate < 2.5 micrometers 10 µg/m3 24-hour 4 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Good 40 0.042 0.043 3 PM

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