A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National Weather Service issuing air quality alerts for several states.

Canada wildfires are causing hazardous smoke to drift into the U.S., lowering air quality across multiple states. Residents are advised to take health precautions as fires rage on. The post Canada Wildfires Spread Smoke,