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

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

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

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

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 ...

A combination of Canadian wildfire smoke and Saharan dust is expected to impact Georgia this week. Here's what to expect.

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

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

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

Rising heat, winds, and dry air sparked blazes in the Canadian provinces of Saskatchewan and Manitoba, according to the ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.