Officials issue an air quality advisory for counties in southwest Michigan as Canadian wildfires burn. Here's what the air ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

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

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

Millions of Americans across the northern U.S. were expected to experience frequent episodes of hazy, milky skies throughout ...

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

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

Wildfire smoke from Canada is expected to move over the U.S., and maps and satellite imagery show the large-scale impact of the blazes.

To check your state's air quality, visit AirNow's website, and plug in your zip code, city or state. Here's what to know as of Wednesday, June 4. Parts of Wisconsin, Iowa, Illinois, Indiana and ...

Smoke from a series of wildfires burning across central Canada has prompted officials to issue an air quality alert for the ...