Smoke from Canadian wildfires continues to descend into the U.S., creating poor air quality that can cause health issues.

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled ...

Canadian wildfire smoke has entered the Upper Midwest and poses significant health impacts in the hardest-hit areas.

An air quality advisory for much of Wisconsin remains in effect until noon on June 5. Here's how you can keep kids and pets ...

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under air ...

The sky has been hazy over Warren County since the rain stopped due to events far from the region. Canadian wildfires have ...

The sky has been hazy over Warren County since the rain stopped due to events far from the region. Canadian wildfires have ...