The bottom line? A big ridge of high pressure sets up shop across the western U.S. leading to inversion haze, bad air quality ...

Inversion conditions continue to develop, with a ridge of high pressure getting stronger across the western United States as ...

A long stretch of humid heat followed by intense thunderstorms is a weather pattern historically seen mostly in and around ...

With that, an inversion will form with air stagnation, so be on alert for air quality alerts this week. Winds will also be ...

Drive up to Bogus Basin right now and look out over the Treasure Valley; you’ll see a haze hanging over Boise and its surrounding cities. But for those below the haze … the view is not so interesting.