Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring ...

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

Tuesday night is when the high pressure system shifts to the east, the NWS says. This should allow south winds to return, ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

When combined with the Philly area’s warm, sunny weather, the incoming smoke stands to increase levels of ozone, the ...

Syracuse, N.Y. -- Upstate New Yorkers could inhale unhealthy air for days, New York state officials warned today. “We expect ...

Smoke from wildfires burning in Canada is filling the skies high above New Hampshire, triggering concerns about the air quality.

Smoke from widespread wildfires in Canada prompted air quality alerts across several Midwest and Northeast U.S. states this ...

Heavy smoke from Canadian wildfires continues to affect air quality in western Massachusetts, posing health risks to ...

The Massachusetts Department of Environmental Protection rates haze and smoke from Canadian wildfires as unhealthy for ...

Smoke from Canadian wildfires will move into the region Monday, Aug. 4, causing unhealthy air for sensitive groups.