Huihong Luo¹, Zibing Yuan¹, Ming Wang², Leifeng Yang¹, Junyu Zheng³, Zhijiong Huang³ and Yusen Duan⁴, (1)South China University of Technology, School of Environment and Energy, Guangzhou, China, (2)Nanjing University of Information Science and Technology, Nanjing, China, (3)Jinan University, Institute for Environmental and Climate Research, Guangzhou, China, (4)Shanghai Environmental Monitoring Center, Shanghai, China