Smoke from numerous Canadian wildfires is again impacting the Philadelphia region this week, with environmental authorities ...

Americans in at least 10 states in the Upper Midwest and Northeast are under air quality alerts stemming from Canadian ...

Long Island will reach highs in the mid 80s on Tuesday, and see temperatures in the low 80s the rest of the week.

PHILADELPHIA (WPVI) -- Smoke particles from Canadian wildfires are causing air quality concerns in the Philadelphia region on ...

Smoke from wildfires burning across Canada are bringing hazy conditions to the area, and all of eastern Pennsylvania is under ...

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

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

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.

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

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

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

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