Salt Lake City skyline, Thursday December 28, 2023.inversion over Salt Lake City, Thursday December 28, 2023.(Trent Nelson | The Salt Lake Tribune) Emissions from a Salt Lake City refinery during a hazy inversion on Thursday December 28, 2023.(Trent Nelson | The Salt Lake Tribune) Haze fills the air during an inversion in Salt Lake City on Thursday December 28, 2023.inversion over Salt Lake City, Thursday December 28, 2023.(Trent Nelson | The Salt Lake Tribune) Haze fills the air during an inversion in Salt Lake City on Thursday December 28, 2023.