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

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

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

Smoke from wildfires burning in Canada has caused air quality alerts for parts of New York state, including New York City.

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

Another air quality alert is in effect Tuesday for NYC, western Long Island, the Hudson Valley, northwest New Jersey and ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

Each New England state has seen an uptick in the number of days over the last five years when fine particulate matter (PM2.5) ...

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On Tuesday morning, New York City had the ninth-worst air quality in the world, thanks in large part to the wildfire smoke ...

Air quality alerts were issued in North Jersey Aug. 5 as smoke from Canadian wildfires drifts across the northern United ...

An air quality statement was issued for the region and much of southern Ontario because of drifting smoke from western Canada ...