, Thursday November 30, 2023.(Trent Nelson | The Salt Lake Tribune) Pollution fills the air during an inversion in Salt Lake City on Thursday November 30, 2023.(Trent Nelson | The Salt Lake Tribune) Pollution fills the air during an inversion in Salt Lake City on Thursday November 30, 2023., Thursday November 30, 2023., Thursday November 30, 2023., Thursday November 30, 2023.(Trent Nelson | The Salt Lake Tribune) Pollution fills the air during an inversion in Salt Lake City on Thursday November 30, 2023., Thursday November 30, 2023., Thursday November 30, 2023.