Toronto anticipates poor air quality this summer due to ongoing wildfires. Ontario faces a significant increase in fire ...

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

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

As of noon Saturday, conditions at Prince George Airport were sunny with a temperature of 18.7 C, humidity at 41 per cent, ...

An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.

Dry conditions in Canada start a chain of events that exacerbates wildfires, injects plumes of smoke in the air and affects air quality in Milwaukee.

“Air quality and visibility due to wildfire smoke can fluctuate over short distances and can vary considerably from hour to hour,” Environment Canada says, noting that it also depends on ...

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

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

Wildfire smoke from Canada will bring hazy skies and diminished air quality to Northeast Ohio starting on Tuesday.

Children, older adults, and people with respiratory or heart conditions such as asthma or COPD may begin to experience health ...