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Detailed Air Quality Summary for 08/15/18

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 METRO
[expand +]		 NREL Unhealthy for Sensitive Groups 126 Ozone 78 PPB 8-hour 7 PM
Ft. Collins - Greeley
[expand +]		 FTCW Moderate 100 Ozone 70 PPB 8-hour 7 PM
Colorado Springs
[expand +]		 ACAD Moderate 67 Ozone 60 PPB 8-hour 7 PM
Grand Junction
[expand +]		 GJPB Moderate 61 Particulate < 2.5 micrometers 17 µg/m3 24-hour 1 AM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFL Moderate 63 Particulate < 2.5 micrometers 18 µg/m3 24-hour 1 AM
Four Corners
[expand +]		 CTZ Good 50 Ozone 54 PPB 8-hour 7 PM
Other
[expand +]		 ASPN2 Moderate 77 Particulate < 2.5 micrometers 25 µg/m3 24-hour 1 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 176 0.132 0.118 12 PM

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