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Detailed Air Quality Summary for 06/24/17 (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 +]		 SWAN Moderate 54 Particulate < 2.5 micrometers 13 µg/m3 24-hour 8 AM
Ft. Collins - Greeley
[expand +]		 FTCF Moderate 57 Particulate < 2.5 micrometers 15 µg/m3 24-hour 8 AM
Colorado Springs
[expand +]		 ACAD Good 36 Ozone 39 PPB 8-hour 8 AM
Grand Junction
[expand +]		 PAL Good 40 Ozone 43 PPB 8-hour 8 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 24 Ozone 26 PPB 8-hour 8 AM
Four Corners
[expand +]		 CTZ Good 21 Ozone 23 PPB 8-hour 8 AM
Other
[expand +]		 ASPN Good 42 Ozone 45 PPB 8-hour 8 AM

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 +]		 SWAN Moderate 54 Particulate < 2.5 micrometers 13 µg/m3 24-hour 8 AM
Ft. Collins - Greeley
[expand +]		 FTCF Moderate 57 Particulate < 2.5 micrometers 15 µg/m3 24-hour 8 AM
Colorado Springs
[expand +]		 ACAD Good 36 Ozone 39 PPB 8-hour 8 AM
Grand Junction
[expand +]		 PAL Moderate 61 Ozone 58 PPB 8-hour 1 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 41 Ozone 44 PPB 8-hour 1 AM
Four Corners
[expand +]		 CTZ Good 31 Ozone 33 PPB 8-hour 1 AM
Other
[expand +]		 ELK Moderate 54 Ozone 56 PPB 8-hour 1 AM

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.