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

The Minnesota Pollution Control Agency issued an air quality alert for much of state through Wednesday as smoke from ...

Wildfires burning in Canada's oil-producing province of Alberta have reduced the country's daily crude production by about 7% ...

Dust isn't the only threat out there, especially for those with respiratory problems. Smoke from Canadian wildfires is moving ...

As of Monday, some of the smoke had moved off the Eastern Seaboard, but a high-pressure system circulated it back into the ...

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

Central Ohio's air quality index has lowered to moderate after smoke from Canadian wildfires has spread to some U.S. states.

By Amanda Stephenson CALGARY (Reuters) -Wildfires burning in Canada's oil-producing province of Alberta have affected more ...

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

All seven of Oregon’s Democratic members of Congress announced Monday they have secured eight grants from the Federal Highway ...

Michigan, Wisconsin and Minnesota are already seeing air quality deteriorate because of smoke from the fires in Manitoba and ...