Smoke from the Canadian wildfires​ will be visible in the Philadelphia area, and an air quality alert has been issued for ...

On Thursday, the region is expected to be at Code Orange levels, when it can be unhealthy for people with respiratory ...

Wildfire smoke was helping raise ozone to hazardous levels. No alerts have been issued, but the air quality may approach ...

With temperatures creeping toward 90 degrees Wednesday and the milky veil of smoke persisting over the region, the Delaware ...

Smoke from wildfires burning in Manitoba and Saskatchewan in Canada will be visible in the sky over the Philadelphia region ...

There is an air quality alert for sensitive groups in our area, due to the ozone level, rather than the Canadian wildfire smoke.

A Code Orange alert is in effect in the Philadelphia area, meaning the air is potentially unhealthy for sensitive groups.

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.

The National Weather Service says that while skies may be hazy, wildfire smoke should remain aloft. Air quality at ground ...

DULUTH, Minnesota — Smoke from wildfires burning in three Canadian provinces is spreading into the U.S. Upper Midwest, ...

Smoke spreading from wildfires in Canada​ was affecting air quality in multiple states, including Minnesota​ and Wisconsin.