PITTSBURGH — The greater Pittsburgh metropolitan area is among the 25 regions in the country with the worst air pollution, ...

More than 13,000 acres are burning in New Jersey as winds are expected to continue Thursday and smoke will hit the New York City area.

Louisville continues to struggle with poor air quality, according to a new report, as federal support is eroded.

On Wednesday, a report from the American Lung Association ranked Grand Rapids at the 27th worst in the country.

Democrats are pressing the acting inspector general for Social Security for answers about how changes to the agency’s ...