The Pennsylvania Department of Environmental Protection has issued another Code Orange Air Quality Alert for Western Pennsylvania because of wildfire smoke.
The alert is in effect on Sunday for Erie, Crawford, Mercer, Lawrence, Butler, Armstrong, Indiana, Cambria, Beaver, Allegheny, Westmoreland, Washington, Greene, Fayette, and Somerset counties.
The DEP says wildfire smoke from Canada and Minnesota is pushing ozone pollution levels into the Code Orange range…