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Detailed Air Quality Summary for 06/12/18

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 Unhealthy for Sensitive Groups 101 Ozone 71 PPB 8-hour 8 PM
Ft. Collins - Greeley
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FTCW Unhealthy for Sensitive Groups 101 Ozone 71 PPB 8-hour 8 PM
Colorado Springs
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MAN Unhealthy for Sensitive Groups 108 Ozone 73 PPB 8-hour 6 PM
Grand Junction
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PAL Moderate 100 Ozone 70 PPB 8-hour 1 AM
Colorado River Valley
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RIFLO3 Moderate 87 Ozone 66 PPB 8-hour 4 PM
Four Corners
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CTZ Good 45 Ozone 49 PPB 8-hour 3 PM
Other
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ASPN Moderate 100 Ozone 70 PPB 8-hour 1 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Poor 114 0.086 0.075 11 AM

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