^1.School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China

^2.Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710061, China

^3.Jiangsu Province Key Laboratory of Environmental Engineering, Jiangsu Province Environmental Science Research Institute, Nanjing 210036, China

^4.Jiangsu Province High-Tech Key Laboratory for Atmospheric Environmental Monitoring and Pollution Control, Jiangsu Province Collaborative Center for Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China