Salt Lake City’s air quality is the worst in the nation this week. Here’s when that might change.

The nasty haze over the Salt Lake Valley isn’t likely to leave anytime soon. Here’s what people can do to protect themselves.

(Francisco Kjolseth | The Salt Lake Tribune) The rising sun begins to illuminate the downtown skyline as inversion conditions trap pollutants in the Salt Lake Valley on Monday, Jan. 12, 2026.