Chemical Characterization and Formation of Reactive Oxygen Species by PM2.5 during Summer in North China Plain of China

Xiaoying Li1, Xiaobi Kuang2, Caiqing Yan1, Xiaoshuang Guo3, Suzanne E Paulson4 and Mei Zheng1, (1)Peking University, College of Environmental Sciences and Engineering, Beijing, China, (2)University of California at Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (3)Peking University, Beijing, China, (4)University of California Los Angeles, Atmospheric & Oceanic Sciences, Los Angeles, United States