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Detailed Air Quality Summary for 04/15/18

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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RFN Moderate 58 Ozone 57 PPB 8-hour 8 PM
Ft. Collins - Greeley
[expand +]
FTCW Moderate 54 Ozone 56 PPB 8-hour 7 PM
Colorado Springs
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ACAD Good 50 Ozone 54 PPB 8-hour 7 PM
Grand Junction
[expand +]
PAL Good 46 Ozone 50 PPB 8-hour 7 PM
Colorado River Valley
[expand +]
RIFLO3 Good 44 Ozone 47 PPB 8-hour 7 PM
Four Corners
[expand +]
CTZ Good 43 Ozone 46 PPB 8-hour 5 PM
Other
[expand +]
ASPN Good 46 Ozone 50 PPB 8-hour 6 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Good 24 0.029 0.024 11 AM

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