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Detailed Air Quality Summary for 04/18/24 (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 +]		 AURE Good 27 Ozone 29 PPB 8-hour 7 PM
Ft. Collins - Greeley
[expand +]		 LAST Good 29 Ozone 31 PPB 8-hour 7 PM
Colorado Springs
[expand +]		 MAN Good 31 Ozone 33 PPB 8-hour 7 PM
Grand Junction
[expand +]		 PAL Good 40 Ozone 43 PPB 8-hour 7 PM
Pueblo
[expand +]		 PWES Good 34 Ozone 37 PPB 8-hour 7 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 37 Ozone 40 PPB 8-hour 7 PM
Four Corners
[expand +]		 CTZ Good 46 Ozone 50 PPB 8-hour 7 PM
Other
[expand +]		 ASPN Good 40 Ozone 43 PPB 8-hour 7 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 METRO
[expand +]		 CHAT Good 38 Ozone 41 PPB 8-hour 1 AM
Ft. Collins - Greeley
[expand +]		 FTC Good 35 Ozone 38 PPB 8-hour 2 AM
Colorado Springs
[expand +]		 MAN Good 39 Ozone 42 PPB 8-hour 1 AM
Grand Junction
[expand +]		 PAL Good 40 Ozone 43 PPB 8-hour 6 PM
Pueblo
[expand +]		 PWES Good 38 Ozone 41 PPB 8-hour 1 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 37 Ozone 40 PPB 8-hour 7 PM
Four Corners
[expand +]		 CTZ Good 47 Ozone 51 PPB 8-hour 6 PM
Other
[expand +]		 LMB Good 43 Particulate < 10 micrometers 46 µg/m3 24-hour 3 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.

AQI health statements
Site information and abbreviations