Winter weather in Reno is bringing more than just cold temperatures; it is also trapping pollution over the valley through a phenomenon known as a winter inversion. Experts say Reno's unique geography ...

SALT LAKE CITY — That familiar and unwelcome layer of smog is back. As air quality plummets in Utah, experts are offering solutions to reduce pollutants. Wednesday marked day six of this inversion ...

Have you ever walked outside in Pueblo on a cold morning and seen the haze in the sky? Or watched our morning forecasts and seen Woodland Park is warmer than Pueblo? It’s very common at this time of ...