Los Angeles is still the smoggiest US city, report says
2:20pm PDT - April 24th, 2019 denver weather - CNBCLos Angeles kept its dubious distinction as the U.S. city with the dirtiest air, the American Lung Association's annual report said.
Los Angeles kept its dubious distinction as the U.S. city with the dirtiest air, the American Lung Association's annual report said.