Smoke spreading from wildfires in Canada​ was affecting air quality in multiple states, including Minnesota​ and Wisconsin.

The pull of the foul air to Northern California was significant enough that the Bay Area Air District issued an air quality ...

Oil prices climbed nearly 3% on Monday, despite producer group OPEC+ sticking with output hike plans, as wildfires burning in ...

Wildfires burning in Canada's oil-producing province of Alberta have affected more than 344,000 barrels per day of oil sands ...

About 17,000 residents of Manitoba in central Canada have been evacuated because of nearly two dozen active wildfires ...

Roughly 17,000 residents in the Canadian province of Manitoba have been evacuated because of nearly two dozen active ...

Smoke from wildfires in Canada is making it harder to breathe in Ohio and several other states. Here's how long it will last ...

The worst wildfires in decades are tearing through Saskatchewan, Canada, and at least two people have been killed in blazes ...

Smoke from raging wildfires in Canada is worsening air quality in some U.S. states. But will Greater Cincinnati be affected?

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

States across the border issued air advisories about particulate pollution that are expected to last for several days.

Smoke from the wildfires that have prompted the evacuations in three provinces in Canada is expected to create hazy skies in ...