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

A special air quality statement has been issued for Toronto and southern Ontario as wildfire smoke from the Prairies drifts ...

Smoke from forest fires in the Prairies will affect southern Ontario Wednesday night, Environment Canada says. The statement ...

Smoke billowing from wildfires is leading to poor air quality and reducing visibility throughout Manitoba this ...

As smoke levels increase, health risks increase. Limit time outdoors. Consider reducing or rescheduling outdoor sports, ...

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

While alerts have been downgraded from 'unhealthy for sensitive groups' to 'moderate,' the air quality could still be a ...

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Smoke from wildfires burning in Canada has caused air quality alerts to be issued across the Philadelphia area on Sunday.

Wildfires burning in western Canada are triggering poor air quality warnings in the upper Midwest, advising people with heart or lung disease, older adults and pregnant people to limit outdoor ...

Smoke from wildfires burning in Canada has caused air quality alerts to be issued in parts of New Jersey and New York on ...

Smoke from Canadian wildfires persisted across the Upper Midwest on Friday, prompting air quality alerts for millions.