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.

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

A Code Red Air Quality Alert is in effect for parts of Philadelphia and the Jersey Shore on Friday night, according to AirNow ...

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

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, ...

MONTRÉAL — Smoke from wildfires in the Canadian Prairies has led to air quality warnings across southern Quebec. Swiss ...

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

Most of the Lower Peninsula has good to moderate air quality on July 26. Nationally, the northeast has the nation's worst air quality this weekend, although the Great lakes area has large areas of ...

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