Colorado Air Quality Summary

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Air Quality Advisories Front Range: Action Day for Ozone - The Colorado Department of Public Health and Environment and the Regional Air Quality Council have issued an OZONE ACTION DAY ALERT at 4 p.m. on Saturday, July 22, 2017 for the Front Range Urban (click for more...) Other Areas: Air Quality Health Advisory for Wildfire Smoke Issued for Larimer County 4 miles southwest of Fort Collins Issued at 5:30 PM MDT, Saturday, July 22, 2017 Issued by the Colorado Department of Public Health and Environment Affected Area: Locations in east central Larimer County near Horsetooth Reservoir and the Coyote Ridge and Cathy Fromme Prarie Open Space areas including, but not limited to, the Stout and Rim Rock areas and other portions of southwestern Fort Collins, and portions of northwestern Loveland. Advisory in Effect: 5:30 PM MDT, Saturday, July 22, 2017 to 9:00 AM MDT, Sunday, July 23, 2017. Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and the elderly. Consider (click for more...)

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Current - Air Quality Summary

Denver's current visibility: Ft. Collins' current visibility: (VSI is calculated between 12PM and 4PM local time)

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Forecast - Air Quality Summary

Sunday Ozone Fine Particulates Carbon Monoxide Nitrogen Dioxide    Denver - Boulder     Colorado Springs     Ft. Collins     Greeley     Grand Junction     Colorado River Valley     Four Corners Area  Monday Ozone Fine Particulates Carbon Monoxide Nitrogen Dioxide    Denver - Boulder     Colorado Springs     Ft. Collins     Greeley     Grand Junction     Colorado River Valley     Four Corners Area  Denver's expected visibility (Sunday): Denver's expected visibility (Monday): The AQI & VSI forecast for Monday will be available by 4PM local time on Sunday.