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 ...

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

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 ...

Detroit currently is ranked third worst worldwide for major city air quality today, Aug. 4, because of smoke from Canadian ...

Air quality concerns continue to expand from the Upper Midwest through the Great Lakes region and into the Northeast and New ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

Millions of people across the Upper Midwest and the Northeast are under air quality alerts Monday, as smoke from wildfires in ...

Good afternoon and happy Monday, readers! Congress is out of session for the remainder of the month, but before leaving for ...

Canadian wildfire smoke is causing poor air quality today. Those with respiratory issues should limit outdoor time. Inland highs near 90 degrees, cooler along the coast.