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Detailed Air Quality Summary for 11/08/19

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
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I25GLO Moderate 71 Particulate < 2.5 micrometers 21 µg/m3 24-hour 11 AM
Ft. Collins - Greeley
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GREH Moderate 60 Particulate < 2.5 micrometers 16 µg/m3 24-hour 12 AM
Colorado Springs
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CCOL Good 43 Particulate < 2.5 micrometers 10 µg/m3 24-hour 11 AM
Grand Junction
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PAL Good 37 Ozone 40 PPB 8-hour 6 PM
Colorado River Valley
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RIFLO3 Good 31 Ozone 34 PPB 8-hour 6 PM
Four Corners
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CTZ Good 33 Ozone 36 PPB 8-hour 6 PM
Other
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ASPN Good 40 Ozone 43 PPB 8-hour 5 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Moderate 72 0.061 0.047 12 PM

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