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Detailed Air Quality Summary for 11/13/17

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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LNGM Moderate 60 Particulate < 2.5 micrometers 17 µg/m3 24-hour 8 PM
Ft. Collins - Greeley
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GREH Moderate 59 Particulate < 2.5 micrometers 16 µg/m3 24-hour 4 PM
Colorado Springs
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ACAD Good 41 Ozone 44 PPB 8-hour 4 PM
Grand Junction
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GJPB Moderate 56 Particulate < 2.5 micrometers 14 µg/m3 24-hour 8 PM
Colorado River Valley
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RIFLO3 Good 32 Ozone 35 PPB 8-hour 7 PM
Four Corners
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CTZ Good 39 Ozone 42 PPB 8-hour 5 PM
Other
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DELT Good 43 Particulate < 2.5 micrometers 10 µg/m3 24-hour 2 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Good 43 0.045 0.027 12 PM

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