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

In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from ...

As hundreds of wildfires continue to burn in Canada, the smoke from the flames is bringing potentially dangerous air quality ...

Many fires burning across Canada, forcing evacuations and threatening air quality in the United States, cannot simply be put ...

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for ...

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

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

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...