inversion

Levels of the fine particulates found in northern Utah’s winter inversions have decreased over three years, putting the area in line with federal air…

While air quality has been on the decline nationwide over the last two years, Utah has seen mixed results in the state’s efforts to rein in…

An unlikely coalition came together behind air-quality legislation Tuesday, as some of Utah's petroleum industry joined environmental and health advocates…

Tuesday was the first red air day of the winter season in the Salt Lake Valley. Members of the Salt Lake Chamber of Commerce used it to promote an…

Salt Lake County is expanding its Vehicle Repair Assistance Program, which helps qualified residents improve their cars and the air along the Wasatch…

Two events that attract tens of thousands of visitors to Utah are taking place this week: The Sundance Film Festival and the winter Outdoor Retailers…