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

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

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

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

Here’s what public health officials recommend for people with heart or lung conditions, older adults, children and teens.

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

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

Chicago was listed as the worst air quality in the world for part of Aug. 1 because of smoke from the fires blowing southeast ...

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

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

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 elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.