The Latest Breaking News on Rain to dull fire threat as warning sounded for air quality risks

Allies from around the world have promised to increase their help to Canada in its fight against hundreds of blazes.

US pledges to send more help to Canada as wildfires prompt air quality warnings across large section of North America.

The smog fallout downwind has set off air quality alerts for 13 states south of the Canadian border

Numerous cities set record high air quality index readings amid an extraordinary event still underway.

Millions of Americans are under air quality alerts as wildfires burn in Canada. Experts say the weather pattern could change by early next week, and stress the need to take precautions until then.

Smoke from Canadian wildfires has obscured the view of Earth-monitoring satellites like GOES-16 and the PlanetScope constellation.

Wildfires raging in Canada have made New York skyscrapers barely visible

The hazardous haze from Canada’s wildfires is taking its toll on outdoor workers along the Eastern U.S. who carried on with their daily jobs even as dystopian orange skies forced the cancelation of sports events, school field trips and Broadway plays

New photos from NASA show a giant cloud of smoke hovering over the Eastern United States. The cloud is so big it almost looks like a hurricane.

Delivery app workers – excluded from most worker protections – slog through dangerous conditions to keep paying their bills

Exclusive: rapid analysis of extreme event by Stanford University shows worst day of exposure to such pollution since 2006