The Greeley Tribune

Ozone pollution on Colorado’s Front Range hit lowest levels in 16 years this summer

The Front Range recorded its lowest ozone levels in 16 years this summer, but the region still needs to reduce air pollution to escape federal oversight that requires more stringent permitting for ...
The Denver Post

Summer ozone season starts Sunday. That means the Front Range’s air will be dirtier.

Getting your Trinity Audio player ready... The Front Range’s summer ozone pollution season begins Sunday and with it comes the annual warnings about being careful when working or playing outdoors on ...
The Denver Post

Colorado to ask EPA to further downgrade northern Front Range’s air quality

Getting your Trinity Audio player ready... Colorado continues to fail to clean the dirty air that hangs over the northern Front Range, so state regulators plan to ask the Environmental Protection ...
Colorado Public Radio

Colorado’s Front Range had a less smoggy summer thanks to cooler weather, less wildfire smoke

Colorado’s Front Range experienced another smoggy summer in 2025, but cooler weather and less wildfire smoke helped tamp down the region’s perennial air pollution problem. The federal government sets ...
9NEWS

Front Range sees cleanest air quality in a decade

COLORADO CITY, Colo. — The summer of 2025 on the Front Range was a hot one when you compare it to our 153-year history -- with just four days left in the summer, it's on pace to make the top 30.