Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

An air quality advisory is in effect for New York City on Monday due to wildfire smoke from Canada, according to officials.

Degraded and/or unsafe air quality levels will continue across parts of Canada Monday as wildfire smoke lingers. However, the ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast into Tuesday.

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

PM2.5 — is expected to push the Air Quality Index over 100, reaching levels unhealthy for sensitive groups, including children, older adults, and people ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality across roughly a dozen states.

Right now, Canada has more than 700 wildfires actively burning. Some have been ongoing since May. Canadian officials said as ...

A 2,000-acre wildfire burning on Colorado’s Western Slope had destroyed three buildings as of Sunday night, fire officials ...

The Northwoods has been experiencing a significant drop in air quality recently because of smoke from Canadian ...

More than 739 fires are burning in Canada, and smoke crossing the border has triggered air quality alerts in several U.S.