Air quality alerts from Canadian wildfire smoke spread to the Northeast on Sunday, stretching as far as northern Maine. It ...

An air quality advisory is in effect until at least noon Monday for all of Wisconsin because of the Canadian wildfire smoke.

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.

With smokey conditions likely worsening throughout Aug. 3, an air quality advisory was extended to noon Aug. 4.

The state Department of Environmental Conservation has issued an air quality health advisory for Sunday due to smoke from ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air.

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

Air quality alerts have been issued across most of the Midwest, and hundreds of wildfires are burning across Canada.

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Smoke from raging wildfires in Canada is causing air quality alerts to blanket the Midwest. Lissette Nuñez is live from Chicago's Lollapalooza music festival.

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires ...