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Detailed Air Quality Summary for 02/27/15 (Today)

Air Quality Forecasts and Advisories & Colorado Smoke Outlook
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.		 Current Air Quality

Current Hour:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver
[expand +]		 I-25 Moderate 51 Particulate < 2.5 micrometers 12 µg/m3 24-hour 3 PM
Ft. Collins - Greeley
[expand +]		 GRET Good 30 Ozone 35 PPB 8-hour 3 PM
Colorado Springs
[expand +]		 MAN Good 28 Ozone 33 PPB 8-hour 3 PM
Grand Junction
[expand +]		 PAL Good 32 Ozone 38 PPB 8-hour 3 PM
Colorado River Valley       Valid data unavailable      
Four Corners
[expand +]		 CTZ Good 32 Ozone 38 PPB 8-hour 3 PM
Other
[expand +]		 DELT Good 50 Particulate < 2.5 micrometers 12 µg/m3 24-hour 3 PM

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

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver
[expand +]		 I-25 Moderate 51 Particulate < 2.5 micrometers 12 µg/m3 24-hour 3 PM
Ft. Collins - Greeley
[expand +]		 GRET Good 30 Ozone 35 PPB 8-hour 4 AM
Colorado Springs
[expand +]		 MAN Good 31 Ozone 36 PPB 8-hour 1 AM
Grand Junction
[expand +]		 PAL Good 33 Ozone 39 PPB 8-hour 1 AM
Colorado River Valley
[expand +]		 RIFL Good 3 Particulate < 10 micrometers 3 µg/m3 24-hour 1 AM
Four Corners
[expand +]		 CTZ Good 32 Ozone 38 PPB 8-hour 3 PM
Other
[expand +]		 DELT Moderate 51 Particulate < 2.5 micrometers 12 µg/m3 24-hour 12 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.