That wind pattern is forecast over the weekend, from Saturday into Sunday, which will likely bring smoke and haze to the ...

Fluorescence lidar technology enables a better determination of the origin of particles in the atmosphere. The method can ...

As hundreds of wildfires burn across Canada, smoke is traveling south and potentially affecting Americans’ health. Here's why ...

Blaze was brought under control on Sunday night, but after smoke was spotted again near Indrunag Temple on Monday morning, ...

Canada has one of the world's largest forests. It's experiencing heat and drought. It's a recipe for wildfires — and for ...

Parts of Canada and the US received alerts for hazardous air quality as hundreds of wildfires spread throughout Canada, ...

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

See where Canadian wildfire smoke and a plume of dust from the Sahara Desert in Africa will hover over the U.S. East Coast ...

This early-season smoke is a stark reminder that fire season is no longer confined to the West or wild areas, and more ...

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.