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Detailed Air Quality Summary for 05/20/18 (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 37 Ozone 40 PPB 8-hour 2 PM
Ft. Collins - Greeley
[expand +]		 GRET Good 40 Ozone 43 PPB 8-hour 2 PM
Colorado Springs
[expand +]		 ACAD Good 32 Ozone 35 PPB 8-hour 2 PM
Grand Junction
[expand +]		 PAL Good 45 Ozone 49 PPB 8-hour 2 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 41 Ozone 44 PPB 8-hour 2 PM
Four Corners
[expand +]		 CTZ Moderate 64 Ozone 59 PPB 8-hour 2 PM
Other
[expand +]		 ELK Good 44 Ozone 48 PPB 8-hour 2 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 +]		 AURE Good 37 Ozone 40 PPB 8-hour 2 PM
Ft. Collins - Greeley
[expand +]		 GRET Good 40 Ozone 43 PPB 8-hour 2 PM
Colorado Springs
[expand +]		 ACAD Good 33 Ozone 36 PPB 8-hour 1 AM
Grand Junction
[expand +]		 PAL Moderate 51 Ozone 55 PPB 8-hour 1 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 41 Ozone 44 PPB 8-hour 2 PM
Four Corners
[expand +]		 CTZ Moderate 64 Ozone 59 PPB 8-hour 2 PM
Other
[expand +]		 ELK Good 44 Ozone 48 PPB 8-hour 2 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.