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

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 ...

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 ...

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

Six of the top ten areas in the US with the worst air quality Saturday morning are in New England, according to the ...

Canadian wildfire official told us they are not expecting smokey conditions to clear up over the course of the summer.

Everyone has a better chance for showers and storms on Saturday as a frontal boundary to our south progresses north. Saturday ...

"A lot of the prairies within Canada, the prairie provinces, entered the fire season already starting out in a drought, and ...