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Detailed Air Quality Summary for 05/26/19

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 51 Ozone 55 PPB 8-hour 4 PM
Ft. Collins - Greeley
[expand +]		 FTCW Good 48 Ozone 52 PPB 8-hour 7 PM
Colorado Springs
[expand +]		 ACAD Good 45 Ozone 49 PPB 8-hour 5 PM
Grand Junction
[expand +]		 GJPB Good 10 Particulate < 2.5 micrometers 2 µg/m3 24-hour 12 PM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFLO3 Good 44 Ozone 47 PPB 8-hour 5 PM
Four Corners
[expand +]		 CTZ Good 47 Ozone 51 PPB 8-hour 10 PM
Other
[expand +]		 ASPN Good 46 Ozone 50 PPB 8-hour 1 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 123 0.093 0.080 1 PM

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