For more than a week, Salt Lake City has been pestered by a haze of pollutants that are trapped in cold air at the bottom of the valley. Soon, that’s going to change, according to the National Weather ...

Add Yahoo as a preferred source to see more of our stories on Google. Boise’s location in a valley often causes it to experience inversions, but the current one has been unusually long. The inversion ...

Boise’s location in a valley often causes it to experience inversions, but the current one has been unusually long. The inversion even caused Treasure Valley residents to miss out on the beauty of ...