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

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

An air quality advisory is expected to remain in effect until noon June 6 as Michigan continues to see effects of Canadian ...

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

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

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

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

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

Environment Canada is warning Toronto residents to limit their time outdoors today due to poor air quality caused by wildfire ...

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

In the U.S., smoke from the fires has already been detected drifting through Montana, North Dakota and northern Minnesota.