Wildfire smoke from the Prairies has prompted special air-quality statements and warnings across the country Saturday.

Air quality alerts were in effect in Iowa, Minnesota, Wisconsin and Michigan, as well as eastern Nebraska and parts of ...

Environment Canada has issued a Special Air Quality Statement for Greater Sudbury because of wildfire smoke. The statement ...

The Oklahoma Department of Environmental Quality released an air quality health advisory for much of Oklahoma on Saturday.

The New York State Department of Environmental Conservation (DEC) has issued an Air Quality Health Advisory for fine particulate matter, in effect from midnight Saturday through midnight Sunday night.