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Special Air Quality Statement
Air Quality Health Advisory for southern Mesa and western Montrose Counties. Click HERE for more information.

Colorado Air Quality Summary

Avisos en Español
About the Air Quality Index (AQI)
Today's Air Quality Summary (detailed)
Air Quality Email Alerts		 Front Range Air Quality ForecastSmoke Outlook

Air Quality Advisories

Other Areas:


Air Quality Health Advisory for Wildfire Smoke

Avisos en Español para todo el Estado (Colorado)

Issued for southern Mesa and western Montrose Counties
Issued at 7:43 AM MDT, Friday, July 18, 2025

Issued by the Colorado Department of Public Health and Environment


Affected Area: Mesa and Montrose Counties. Locations include, but are not limited to Gateway and Paradox.

Advisory in Effect: 9:00 AM MDT, Friday, July 18, 2025 to 9:00 AM MDT, Saturday, July 19, 2025

Public Health Recommendations: If (click for more...)

Key
Air Quality Index Scale

Visibility Standard Index

What is an Action Day?

Current - Air Quality Summary
install on your website... Current Air Quality Conditions
Highest AQI So Far Today


Denver's current visibility: Not Available
Ft. Collins' current visibility: Not Available
(VSI is calculated between 12PM and 4PM local time)


More about air quality forecasting regions...
Forecast - Air Quality Summary
Friday Ozone Fine Particulates Carbon Monoxide Nitrogen Dioxide
   Denver - Boulder  Moderate Moderate Good Good
   Colorado Springs  Moderate Good Good Not Available
   Ft. Collins  Moderate Moderate Good Good
   Greeley  Moderate Moderate Good Good
   Grand Junction  Moderate Unhealthy for Sensitive Groups Not Available Not Available
   Pueblo  Moderate Moderate Not Available Not Available
   Aspen  Good Moderate Not Available Not Available
   Colorado River Valley  Good Good Not Available Not Available
   Four Corners Area  Moderate Moderate Not Available Not Available
   Lamar  Not Available Good Not Available Not Available
   San Luis Valley  Not Available Moderate Not Available Not Available
   Steamboat Springs  Not Available Moderate Good Not Available
   Telluride  Not Available Good Not Available Not Available
Saturday Ozone Fine Particulates Carbon Monoxide Nitrogen Dioxide
   Denver - Boulder  Moderate Good Good Good
   Colorado Springs  Moderate Good Good Not Available
   Ft. Collins  Moderate Good Good Good
   Greeley  Moderate Good Good Good
   Grand Junction  Moderate Moderate Not Available Not Available
   Pueblo  Moderate Moderate Not Available Not Available
   Aspen  Good Moderate Not Available Not Available
   Colorado River Valley  Good Moderate Not Available Not Available
   Four Corners Area  Moderate Moderate Not Available Not Available
   Lamar  Not Available Good Not Available Not Available
   San Luis Valley  Not Available Moderate Not Available Not Available
   Steamboat Springs  Not Available Moderate Good Not Available
   Telluride  Not Available Moderate Not Available Not Available

Denver's expected visibility (Friday): Poor
Denver's expected visibility (Saturday): Moderate