( Leah Hogsten | The Salt Lake Tribune ) Wildfires have caused air quality to deteriorate in the state, with moderate amounts of particulate matter over a 24-hour period recorded in Salt Lake, Tooele and Washington counties, as well as Lindon in Utah County, according to the Utah Department of Environmental Quality. Pole Creek and Bald Mountain fires in Utah and Juab counties have grown to a combined 86,107 acres. They have displaced approximately 6,000 people living in the Woodland Hills, Elk Ridge and Covered Bridge communities.