As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

States across the U.S. are feeling the impact of the Canadian wildfires as air quality takes a hit from the smoke, according ...

As of Aug. 6, there are about 750 active Canadian wildfires, with at least 190 labeled “out of control,” according to the ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

Code Yellow Air Quality or moderate level for particle pollution are forecast for Thursday and Friday. This may cause health symptoms for groups of people in the unusually sensitive category.

Smoke from hundreds of wildfires burning across Canada has polluted skies and reduced air quality across large portions of ...

Large wildfires in remote regions of Canada sent smoke billowing across the border, inundating northern New England with ...

How does wildfire smoke travel so far At the site of the wildfires, the smoke can quickly rise through the atmosphere due to ...

Canadian wildfire smoke continues to cause hazy skies and air quality alerts in New Hampshire. The air quality alert, extended through Tuesday night, particularly affects sensitive individuals. Air ...

Canadian wildfire smoke continues to impact air quality across southern Wisconsin, creating health risks for vulnerable populations including children, elderly residents and those with asthma.

Smoke from wildfires in California has been drifting south and east, impacting much of Southern California and parts of ...