Wondering why it smells like smoke outside? Canadian wildfires are impacting millions in Ontario, Minnesota, Toronto, New York, Michigan, Wisconsin and Boston.

Deadly and destructive wildfires erupt in the US each year, burning millions of acres and destroying thousands of homes. CNN is tracking the trends.

Firefighters continuing to respond to an active wildfire near Mooseland Road, on Nova Scotia’s Eastern Shore, around 100-kilometres east of Halifax.

TORONTO, July 16 (Reuters) - Ontario requested federal assistance to evacuate people from remote northern Canadian communities ravaged by wildfires on Thursday, as smoke brought poor air quality to Toronto and much of the Northeastern U.

Strong winds threatening to fan dozens of out-of-control wildfires are putting northern Ontario on edge Thursday, as crews race to protect communities already devastated by fast-moving flames.

Northwestern Ontario reports 129 active wildfires, evacuation orders, highway closures and extreme fire danger.

Fueled by severe drought and heat, at least two dozen active wildfires are burning across Florida, including a 4,755-acre blaze at the edge of the Everglades near Coral Springs.

As Canada grapples with hundreds of active wildfires, the rest of North America is feeling the impacts with air quality alerts. In Philadelphia and elsewhere, the air quality score is considered unhealthy,

A total of 15 active wildfires covering more than 65,000 acres of land are currently burning across the Superior National Forest in northern Minnesota. Three of the blazes are located within Wilderness.