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

An Air Quality Action Day (AQAD) has been issued for Tuesday in several northern Indiana cities as Canadian wildfire smoke ...

Air quality in parts of Michigan, Wisconsin, New York and Ohio was in the "unhealthy" category on Monday morning ...

Does your throat feel scratchy? An air quality alert is in effect for Vermont due to smoke from the ongoing Canadian ...

An air quality alert is in effect for all of Massachusetts today due to smoke from Canadian wildfires, and it could be the ...

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

Smoke from more than 700 active wildfires in Canada is once again clouding skies and pushing air quality into dangerous ...