Canadian wildfire smoke brought numerous air quality alerts to the Northeast on Aug. 4, including in multiple North Jersey ...

Smoke from ongoing Canadian wildfires has led to some of the worst air quality in the world across parts of the U.S.

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

At 5:06 p.m. on Monday, the National Weather Service reported an air quality alert in effect until Wednesday at midnight for ...

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

The National Weather Service reported an air quality alert at 1:20 p.m. EDT on Monday in effect until Wednesday at midnight ...

Viewers shared snapshots of hazy skies as Canadian wildfire smoke continues to impact air quality in parts of Maine.

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

“Fine particles look to average in the mid to upper Moderate range due to Canadian wildfire smoke with the potential for some hourly concentrations reaching Unhealthy for Sensitive Groups on a ...

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

The Pennsylvania Department of Environmental Protection has issued an air quality alert for Tuesday for most of the central ...

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