At least one person is dead after a small plane crashed Saturday at 5:30 p.m. NT near the airport in Deer Lake, N.L., a town ...

Officials warned young children and those with respiratory illnesses to take precautions. For weeks, smoke from Canadian ...

State scientists are calling Saturday an air quality action day with Canadian wildfire smoke moving in across New Hampshire.

Smoke from Canadian wildfires prompts air quality alerts in the Northeastern US. New Hampshire and New York issue advisories ...

New York was hit with an air quality alert Saturday as smoke from Canadian wildfires drifted across the state, pushing levels ...

Montreal had the worst air quality in the world on Saturday as smoke from wildfires in the Prairies drifted east. In addition ...

While eastern parts of Canada are feeling the effects of wildfires in the prairies, leading to poor air quality, the coastal ...

IQAir, a Swiss air quality technology company, on Saturday morning ranked Montreal as the city with the worst air quality in the world. By early afternoon, it had dropped to second place behind ...

As wildfire smoke becomes a frequent summer hazard across large parts of the US, knowing the risk at the neighborhood scale ...

State officials from Maine to New York issued alerts for fine particulate matter, a toxic byproduct of wildfires that is small enough to be inhaled.

Smoke from Canadian wildfires pushed into New England Saturday, bringing hazy skies and unhealthy air quality to some spots, including Boston.

Smoke from Canadian wildfires pushed into New England Saturday, bringing hazy skies and unhealthy air quality to some spots, ...