Tracking Daily PM2.5 Chemical Composition in China Since 2000 Based on Multisource Data Fusion

Shigan Liu1, Guannan Geng2, Qiangyang Xiao2, Yixuan Zheng3, Xiaodong Liu2, Jing Cheng4 and Qiang Zhang4, (1)Tsinghua University, Department of Earth System Science, Beijing, China, (2)School of Environment, Tsinghua University, Beijing, China, (3)Chinese Academy of Environmental Planning, Beijing, China, (4)Tsinghua University, Beijing, China