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Banner with Colorado and CDPHE logos on left with text on right reading Colorado Air Quality with Department of Public Health and Environment on the next line.

Detailed Air Quality Summary for 06/29/24 (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 +]		 RFN Good 44 Ozone 47 PPB 8-hour 4 AM
Ft. Collins - Greeley
[expand +]		 FTC Good 36 Ozone 39 PPB 8-hour 4 AM
Colorado Springs
[expand +]		 MAN Good 41 Ozone 44 PPB 8-hour 4 AM
Grand Junction
[expand +]		 PAL Good 31 Ozone 33 PPB 8-hour 4 AM
Pueblo
[expand +]		 PWES Good 42 Ozone 45 PPB 8-hour 4 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 24 Ozone 26 PPB 8-hour 4 AM
Four Corners
[expand +]		 CTZ Good 23 Ozone 25 PPB 8-hour 4 AM
Other
[expand +]		 ASPN Good 27 Ozone 29 PPB 8-hour 4 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 METRO
[expand +]		 RFN Good 48 Ozone 52 PPB 8-hour 1 AM
Ft. Collins - Greeley
[expand +]		 FTC Good 42 Ozone 45 PPB 8-hour 1 AM
Colorado Springs
[expand +]		 MAN Good 44 Ozone 47 PPB 8-hour 1 AM
Grand Junction
[expand +]		 PAL Good 41 Ozone 44 PPB 8-hour 1 AM
Pueblo
[expand +]		 PWES Good 45 Ozone 49 PPB 8-hour 1 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 33 Ozone 36 PPB 8-hour 1 AM
Four Corners
[expand +]		 CTZ Good 32 Ozone 35 PPB 8-hour 1 AM
Other
[expand +]		 ASPN Good 28 Ozone 30 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.

AQI health statements
Site information and abbreviations