Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

A thin veil of smoke from wildfires burning in Canada is worsening air quality and putting a lid on temperatures in the D.C.

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

Wildfire smoke is wrecking air quality in places across the U.S. amid a one-two punch of fires in the West and in Canada, which has sent smoke pouring across large sections of the country ...

The EPA says if you are sensitive to particle pollution, consider reducing your activity level or shorten the amount of time ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

An air quality alert issued today from the Clark County Division of Air Quality warns that wildfire smoke from Southern ...

Residents of central Pennsylvania should prepare for hazy skies and reduced air quality today as wildfire smoke from Canada ...

Smoke from wildfires in Canada continue to impact air quality in the northern United States, even in the New York City metro area and Hudson Valley.

In Grand Rapids, the Air Quality Index, which measures particle pollution in the air, was over 100 AQI six of the last seven ...

An air quality alert is in effect for all of Massachusetts as smoke from Canadian wildfires descends into the Boston area.