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

Canada is experiencing a terrible wildfire season with nearly 4,000 wildfires so far this year, close to a record pace.

However, Lake, Porter, Newton and Jasper counties in Indiana will be under another air quality alert all day Tuesday. The ...

Another week, another curveball from the sky. An air quality alert has been issued for New York City and much of New York State as wildfire smoke from Canada drifts back into the region, hazing up the ...

An air quality advisory is in effect for New York City on Monday due to wildfire smoke from Canada, according to officials. Other areas that are affected by the advisory include ...

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

Smoke from Canadian wildfires is impacting Greater Akron. The hazy conditions are impacting the air quality in northern Ohio.

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

New York and other neighboring states are under an air-quality advisory due to influx of smoke from ongoing wildfires in ...

PITTSBURGH — There will be sun and clouds this afternoon, with temperatures rising near average to the low to mid-80s.

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

Coughing, sneezing, runny nose. Sure, those are signs of seasonal allergies, but they can also be caused by wildfire smoke.