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Detailed Air Quality Summary for 01/16/18

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 +]		 CHAT Moderate 94 Particulate < 10 micrometers 141 µg/m3 24-hour 12 AM
Ft. Collins - Greeley
[expand +]		 GREH Moderate 52 Particulate < 2.5 micrometers 12 µg/m3 24-hour 12 AM
Colorado Springs
[expand +]		 ACAD Good 31 Ozone 33 PPB 8-hour 5 PM
Grand Junction
[expand +]		 PAL Good 32 Ozone 35 PPB 8-hour 1 AM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFL Good 20 Particulate < 2.5 micrometers 5 µg/m3 24-hour 11 PM
Four Corners
[expand +]		 CTZ Good 23 Ozone 25 PPB 8-hour 2 AM
Other
[expand +]		 DELT Good 48 Particulate < 2.5 micrometers 11 µg/m3 24-hour 11 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Moderate 59 0.055 0.039 12 PM

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