Air quality has worsened rapidly across the Wasatch Front in recent days, leading state regulators to warn Utahns against prolonged exertion outdoors.
With huge wildfires burning across Washington, Oregon, Idaho, Montana and Canada, the northern Utah counties of Box Elder and Cache already have more small-particulate pollution in their air than is considered healthy for the general population, according to the state’s air-quality monitors.
Salt Lake, Davis, Weber, Utah and Tooele counties have also exceeded the Environmental Protection Agency’s standard for small particulates, though their air remains less smokey in general than farther north.
“As residents of the Beehive state and others across the U.