While I totally agree that the pollution sucks when it sucks here, it has been trending better year over year for the past ten years[0], and is lower on the list than the most populous parts of California (including the entire LA area and the entire SF Bay Area) in terms of year-round, short-term, and overall air pollution[1].
[0]https://www.reddit.com/r/dataisbeautiful/comments/83hj3v/air...
[1]https://archive.sltrib.com/article.php?id=2452992&itype=CMSI...