According to a recent report from Airthings, as Canadian wildfire activity increased over the first week and a half of June, ...

The corrected result is no longer statistically significant, meaning there is some possibility the result is due to chance, ...

Wildfire smoke continues to hang over much of Manitoba, leading Environment Canada and Manitoba Health to issue an air ...

Evacuees continued to arrive in Winnipeg by the busload Friday as a renewed round of wildfires put thousands out of their homes – some for a second time.

As wildfires burn across Colorado, here's what experts told Denver7's Maggie Bryan about the dangers of wildfire smoke.

The lawmakers said successive years of wildfires in Canada have undermined air quality in their states and robbed Americans ...

Canadian wildfire smoke is travelling south and making it difficult for some Americans to enjoy their summer, according to a ...

Wildfires continue to burn in Canada, and the smoke is filling communities there and towns across the U.S. border.

Smoke from the Green Fire and other wildfires burning in and near Shasta County are polluting the air over the North State.

(KNSI) - An air quality alert caused by wildfire smoke in Canada has been extended to 9:00 on Monday morning, and now covers ...

Aggressive wind gusts on Thursday afternoon caused the rapid expansion of wildfires across Western Colorado. As of Friday ...