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

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

At 3:45 p.m. on Tuesday, the National Weather Service reported an air quality alert in effect until Thursday at midnight for ...

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

The Lehigh Valley will be under a Code Orange air quality alert Wednesday. Young children, the elderly, and those with ...

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

Both Wednesday and Thursday in the Philadelphia region will be very warm and humid, with highs in the upper 80s and low 90s.

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

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

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