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 ...

With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke ...

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

Smoke from Canadian wildfires could contribute to hazy skies and a "dim" sun for several states later this week.

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