An air quality alert will continue for a second day in New York City and the surrounding area. Officials are warning of poor ...

Smoke from wildfires burning in Canada has caused air quality alerts to be issued across the Philadelphia area on Sunday.

Smoke from wildfires burning in Canada has caused air quality alerts to be issued in parts of New Jersey and New York on ...

Dangerously hot weather is gripping much of the country, with more than 125 million people from the Plains to the Northeast ...