Wildfire smoke brings hazy skies and poor air quality to Chicago today, with hot and humid weather building into the weekend.

The National Weather Service issued air quality alerts on Monday for millions of Americans in Wisconsin, Michigan, ...

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

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

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

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

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

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

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

A thick haze of smoke from Canadian wildfires has descended on the US Midwest, degrading air quality during Lollapalooza in ...

The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside and keeping windows and doors closed.

As Canadian wildfire smoke lingers in the skies, the Chicago area will soon be under an air quality alert, but the smoke ...