Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

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

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

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

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

At least 738 wildfires are currently burning in Canada, with at least 201 out of control, according to the Canadian ...

CHICAGO (WLS) -- Air Quality Alerts remain in effect for the Chicago area Friday due to smoke from Canadian wildfires.

Hazardous smoke from Canada’s wildfire season has triggered the worst air quality in the U.S. with NASA’s EPIC satellite ...

Hundreds of wildfires burning across Canada are expected to continue affecting air quality in parts of the United States, particularly the Upper Midwest and the Northeast, through Tuesday, according ...

Smoke from Canadian wildfires settled over Chicago Thursday, with air quality reaching “unhealthy” levels for everyone. Air ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.