Utah has significantly reduced air pollution despite population growth but faces ongoing ozone challenges largely from fuels ...

Fires currently burning in western Colorado, Utah and beyond have caused the air quality in Colorado's Front Range to diminish. Health experts in Larimer County confirmed their data shows air quality ...

Add Yahoo as a preferred source to see more of our stories on Google. Smog blankets downtown Salt Lake City and the Salt Lake Valley during an inversion on Monday, Jan. 12, 2026. | Kristin Murphy, ...