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Detailed Air Quality Summary for 07/15/20

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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NREL Moderate 74 Ozone 62 PPB 8-hour 8 PM
Ft. Collins - Greeley
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GREH Moderate 53 Particulate < 2.5 micrometers 13 µg/m3 24-hour 10 AM
Colorado Springs
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ACAD Good 47 Ozone 51 PPB 8-hour 4 PM
Grand Junction
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PAL Good 46 Ozone 50 PPB 8-hour 8 PM
Colorado River Valley
[expand +]
RIFLO3 Good 41 Ozone 44 PPB 8-hour 7 PM
Four Corners
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CTZ Good 39 Ozone 42 PPB 8-hour 7 PM
Other
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ASPN Good 44 Ozone 47 PPB 8-hour 6 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Poor 127 0.095 0.082 2 PM

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