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Detailed Air Quality Summary for 11/08/18

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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BOU Moderate 78 Particulate < 2.5 micrometers 25 µg/m3 24-hour 7 PM
Ft. Collins - Greeley
[expand +]
FTCF Good 50 Particulate < 2.5 micrometers 12 µg/m3 24-hour 12 AM
Colorado Springs
[expand +]
CCOL Good 42 Particulate < 2.5 micrometers 10 µg/m3 24-hour 12 AM
Grand Junction
[expand +]
PAL Good 38 Ozone 41 PPB 8-hour 6 PM
Colorado River Valley
[expand +]
RIFLO3 Good 37 Ozone 40 PPB 8-hour 6 PM
Four Corners
[expand +]
CTZ Good 41 Ozone 44 PPB 8-hour 5 PM
Other
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ASPN Good 41 Ozone 44 PPB 8-hour 5 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Poor 127 0.095 0.081 4 PM

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