Extensive wildfires burning on the Prairies created abysmal air quality problems for portions of the country this weekend. Expect periods of poor air quality to persist on Monday and Tuesday as smoke ...

A stretch of northern Ontario remains under a special air quality statement amid smoke from wildfires burning in parts of the ...

The air quality warning for the Greater Toronto Area has been lifted after being in place over the long weekend, Environment ...

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring relief later in the week.

The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's what to know.

I RYU/VCG via Getty ImagesRed flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity and gusty winds and fires in these areas may ...

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

An air quality statement was issued for the region and much of southern Ontario because of drifting smoke from western Canada ...

Toronto will once again see diminished air quality on Tuesday as smoke from forest fires in other regions drift into the city ...

Hazy skies linger over New Hampshire as smoke from the Canadian wildfires drifts overhead. "The sky will continue to have a ...