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Detailed Air Quality Summary for 10/13/21

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
[expand +]
BHWK Good 44 Ozone 48 PPB 8-hour 1 AM
Ft. Collins - Greeley
[expand +]
GRET Good 39 Ozone 42 PPB 8-hour 7 PM
Colorado Springs
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ACAD Moderate 51 Ozone 55 PPB 8-hour 1 AM
Grand Junction
[expand +]
PAL Good 27 Ozone 29 PPB 8-hour 1 AM
Colorado River Valley
[expand +]
RIFLO3 Good 30 Ozone 32 PPB 8-hour 1 AM
Four Corners
[expand +]
CTZ Good 31 Ozone 33 PPB 8-hour 6 PM
Other
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ASPN Good 33 Ozone 36 PPB 8-hour 1 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Good 22 0.027 0.021 11 AM

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