Yifang Zhu Quoted in University of California News: Planning a Trip Abroad? Before You Pack, Check the Air Pollution Levels

Neither Beijing nor Los Angeles is known for its clean air, but Beijing’s air quality is significantly worse. “Los Angeles used to be nearly as polluted as Beijing is today,” said Yifang Zhu, co-lead author of the study and professor of environmental health sciences at the Fielding School. “A city’s air quality can improve markedly when effective environmental policies are put into place,” Zhu said.