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Detailed Air Quality Summary for 12/13/19

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 +]		 I25GLO Good 45 Nitrogen Dioxide 48 PPB 1-hour 7 AM
Ft. Collins - Greeley
[expand +]		 GREH Moderate 66 Particulate < 2.5 micrometers 19 µg/m3 24-hour 1 AM
Colorado Springs
[expand +]		 MAN Good 39 Ozone 42 PPB 8-hour 5 PM
Grand Junction
[expand +]		 GJPB Moderate 53 Particulate < 2.5 micrometers 13 µg/m3 24-hour 7 PM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFLO3 Good 31 Ozone 33 PPB 8-hour 8 PM
Four Corners
[expand +]		 CTZ Good 29 Ozone 31 PPB 8-hour 8 PM
Other
[expand +]		 ASPN Good 33 Ozone 36 PPB 8-hour 5 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
No valid VSI calculations found (12pm - 4pm)

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