Pittsburgh and Los Angeles have the worst pollution

Air PollutionPittsburgh is the worst U.S. city for short-term particle pollution, the American Lung Association announced on Thursday.

It was the first time a city outside California topped any of the association’s three lists for different kinds of pollution in its annual “State of the Air” report.

Greater Los Angeles was listed as the worst city for ground-level ozone (aka smog) and year-round particle pollution. Pittsburgh had the second-worst year-round particle pollution, the association said.

Find out how your city ranks in this State of the Air report.