This past Thursday should have been a beautiful day, a day to throw open the windows and putter in the garden, long-awaited ...

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

Wildfire smoke from Canada turned Chicago into one of the world’s most polluted metro areas as the Lollapalooza music ...

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.

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

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

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

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

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

A woman and two men were taken to Stroger Hospital for smoke inhalation after the fire broke Sunday night in the 1900 block ...