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Detailed Air Quality Summary for 07/10/20 (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 METRO
[expand +]		 RFN Unhealthy for Sensitive Groups 122 Ozone 77 PPB 8-hour 10 PM
Ft. Collins - Greeley
[expand +]		 PAO Moderate 84 Ozone 65 PPB 8-hour 10 PM
Colorado Springs
[expand +]		 ACAD Moderate 74 Ozone 62 PPB 8-hour 10 PM
Grand Junction
[expand +]		 PAL Moderate 58 Ozone 57 PPB 8-hour 10 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 40 Ozone 43 PPB 8-hour 10 PM
Four Corners
[expand +]		 CTZ Good 36 Ozone 39 PPB 8-hour 10 PM
Other
[expand +]		 ASPN Good 42 Ozone 45 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 METRO
[expand +]		 RFN Unhealthy for Sensitive Groups 146 Ozone 84 PPB 8-hour 7 PM
Ft. Collins - Greeley
[expand +]		 PAO Unhealthy for Sensitive Groups 104 Ozone 72 PPB 8-hour 6 PM
Colorado Springs
[expand +]		 ACAD Moderate 97 Ozone 69 PPB 8-hour 7 PM
Grand Junction
[expand +]		 PAL Moderate 58 Ozone 57 PPB 8-hour 7 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 47 Ozone 51 PPB 8-hour 6 PM
Four Corners
[expand +]		 CTZ Good 45 Ozone 49 PPB 8-hour 5 PM
Other
[expand +]		 ASPN Good 44 Ozone 47 PPB 8-hour 4 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 110 0.083 0.059 11 AM

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