The maps offer real-time insight into where smoke is driving air quality into unhealthy or even hazardous territory.

Heavy, pungent smoke from Canadian wildfires darkened skies in the U.S. on Thursday from the Great Lakes to parts of the East Coast, reducing visibility for commuters and prompting warnings that air q...

Indigenous Services Canada said 1,600 individuals had been ⁠evacuated from First ⁠Nations communities due to fires this season, as of July 15.