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

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

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

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

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

A recent study reveals that wildfire smoke poses a significant threat to American health and economy, surpassing many other ...

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

Recapping some of the most talked-about news this week from the nation and around the world – in case you missed it.

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

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