As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

Smoke from wildfires in Canada continue to impact air quality in the northern United States, even in the New York City metro ...

The north-central part of the Prairies remains under a series of air-quality warnings. Environment Canada says wildfire smoke is contributing to the region's very poor air quality and could cause ...

A number of states in the United States have declared air quality warnings with concerning levels noted across many of the ...

The forecast calls for hot and dry weather for the next few days in Colorado, but big changes finally arrive this weekend.

Some smoke from fires in the western United States and Canada is not uncommon in the summer months in the D.C. area.

The midsummer heat we've got isn’t going anywhere in the near future. Neither is the rainfall deficit, which continues to ...

Wildfire smoke is wrecking air quality in places across the U.S. amid a one-two punch of fires in the West and in Canada, which has sent smoke pouring across large sections of the country ...