Air quality remains poor in parts of Canada as wildfire smoke travels along the jet stream — with Europe now in its path.

Under a Code Orange alert, it's recommended that children, older adults and those with respiratory illnesses limit time spent ...

The National Weather Service has issued an Air Quality Alert for areas north and west of Boston and Worcester for Tuesday.

Temperatures are climbing into the 80s this week, with highs expected to hit 90° by the weekend. Wildfire smoke will continue ...

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

The ability of wildfire smoke to travel extensively creates public health challenges that extend well beyond the immediate ...

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

In California, a fast-growing wildfire has scorched more than 65,000 acres in the Los Padres National Forest, with the flames ...

As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect ...

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.

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

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