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

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

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

A Chicago Air Quality Alert has been extended through Friday as smoke from Canada wildfires has pushed the AQI into unhealthy ...

Wildfire smoke was helping raise ozone to hazardous levels. No alerts have been issued, but the air quality may approach ...

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

Experts say people should take precautions such as wearing an N95 mask while outdoors or heading inside and closing the ...

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

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

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path ...

Rounds of smoke from hundreds of Canadian wildfires, as well as dust blowing off Sub-Saharan Africa, will continue to envelop ...

Mississippi can expect hazy skies, lower air quality when double whammy of Saharan dust and smoke from wildfires in Canada ...