The increase in tree "fluff" is likely a stress response from poplars, aspen and willows reacting to the dry conditions from the past few years, according to the N.W.T.'s department of Environment and Climate Change.

A forest fire near Musquodoboit Harbour on Nova Scotia’s Eastern Shore has stabilized after rainfall, allowing some evacuees to return home while others remain displaced as crews continue to monitor the 30-hectare blaze.

Smoke from Canadian wildfires is drifting into Southeast Alaska’s Chilkat Valley, prompting an air quality advisory for Haines and Skagway as hazy conditions persist.

Other new fires were reported near the Eureka Roadhouse along the Glenn Highway and near the Denali Park community. Forty new fires were reported Thursday.

Levels of fine particulate matter have risen in Reykjavík, likely due to smoke from Canadian wildfires, prompting health advisories for those with respiratory issues.