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,

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

On a wider scale, the haze is much more impactful on air quality in the Midwest and the Plains region of the U.S. Canada’s wildfire season runs from May through September.