Millions of Americans across the Midwest, Northeast and swathes of the South and Southwest have been are under air quality ...

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

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.

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

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

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

Wildfire smoke drifting across the Great Lakes has caused air quality to plunge to hazardous levels in several states, ...

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

Tuesday will feature plenty of sunshine, although it'll be hazy sunshine due to wildfire smoke. A few stray showers or storms ...

However, Lake, Porter, Newton and Jasper counties in Indiana will be under another air quality alert all day Tuesday. The ...