How Utah's poor air quality impacts our bodies Haze and smoke are causing air quality issues throughout Salt Lake County. and last updated 2021-07-26 19:48:30-04 SALT LAKE CITY â Haze and smoke are causing air quality issues throughout Salt Lake County. For much of the day Monday, particulate matter readings That is a concerning level for scientists and medical professionals. âWe would like to have it down to around 12 or 10,â said Bo Call with the Utah Division of Air Quality. âDuring the summer without wildfire impact, we are usually single digits.â The pollution is visible anytime someone steps outside or looks out a window. Smoke from western wildfires is blamed for the bulk of the current problem.