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Detailed Air Quality Summary for 03/23/19 (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 +]		 AURE Good 44 Ozone 47 PPB 8-hour 10 PM
Ft. Collins - Greeley
[expand +]		 FTCW Good 39 Ozone 42 PPB 8-hour 10 PM
Colorado Springs
[expand +]		 MAN Good 42 Ozone 45 PPB 8-hour 10 PM
Grand Junction
[expand +]		 PAL Good 38 Ozone 41 PPB 8-hour 10 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 31 Ozone 34 PPB 8-hour 10 PM
Four Corners
[expand +]		 CTZ Good 34 Ozone 37 PPB 8-hour 10 PM
Other
[expand +]		 ASPN Good 46 Ozone 50 PPB 8-hour 10 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver
[expand +]		 ASP Moderate 51 Ozone 55 PPB 8-hour 9 AM
Ft. Collins - Greeley
[expand +]		 GRET Good 44 Ozone 47 PPB 8-hour 2 AM
Colorado Springs
[expand +]		 MAN Good 45 Ozone 49 PPB 8-hour 6 PM
Grand Junction
[expand +]		 PAL Good 44 Ozone 47 PPB 8-hour 7 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 39 Ozone 42 PPB 8-hour 7 PM
Four Corners
[expand +]		 CTZ Good 40 Ozone 43 PPB 8-hour 5 PM
Other
[expand +]		 ASPN Good 49 Ozone 53 PPB 8-hour 5 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 141 0.106 0.120 1 PM

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