As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect yourself. Here's what to know.

The warning applies to York, Dauphin, Lebanon, Cumberland and Lancaster counties and the entire Susquehanna Valley region.

An air quality alert is in effect for all of Massachusetts today due to smoke from Canadian wildfires, and it could be the ...

The wildfire smoke may persist into Tuesday and possibly Wednesday,” said Environment Canada in a Monday afternoon statement.

Smoke from wildfires burning in Canada is filling the skies high above New Hampshire for Monday, triggering concerns about ...

The BC Wildfire Service says the Wesley Ridge wildfire on Vancouver Island has grown to more than 5 square kilometres as ...

Weather patterns are expected to bring more spikes in smoke to certain regions tomorrow, according to state officials.

Close the windows and turn on the air conditioner, if you have one, setting it to circulate the indoor air. Use blankets to ...

The state Department of Environment DEP has extended and expanded its air quality warnings due to continued smoke and haze ...