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Detailed Air Quality Summary for 11/18/17

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 +]		 ADM Moderate 72 Particulate < 10 micrometers 98 µg/m3 24-hour 1 AM
Ft. Collins - Greeley
[expand +]		 GREH Moderate 56 Particulate < 2.5 micrometers 14 µg/m3 24-hour 8 AM
Colorado Springs
[expand +]		 MAN Good 38 Ozone 41 PPB 8-hour 5 AM
Grand Junction
[expand +]		 PAL Good 31 Ozone 34 PPB 8-hour 5 AM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFLO3 Good 31 Ozone 33 PPB 8-hour 1 AM
Four Corners
[expand +]		 CTZ Good 38 Ozone 41 PPB 8-hour 5 PM
Other
[expand +]		 ASPN Good 38 Ozone 41 PPB 8-hour 3 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Good 22 0.028 0.022 12 PM

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