Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

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

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

Air quality alerts continue for millions as wildfire smoke crosses the border from Canada. Plus, the intense heat fueling ...

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 ...

Canadian wildfires burning across northern Manitoba and Saskatchewan are sending smoke through central Canada, the Great ...

Air quality specialists in the state are starting to more closely monitor wildfire activity in Canada. Because of climate ...

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

Wildfire smoke from Canada has prompted officials to place the Lehigh Valley and surrounding counties under an air quality ...

An air quality alert in the Chicago area has been extended for another day as Canadian wildfire smoke continues to plague the ...

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