1. Joint International Research Laboratory of Atmospheric and Earth System Sciences, School of Atmospheric Sciences, Nanjing University, Nanjing, China
2. Nanjing Atmospheric Environment and Green Development Research Institute (NAGR), Nanjing, China
3. Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
4. Helsinki Institute of Sustainability Science, University of Helsinki, Helsinki, Finland
5. Gulou Environment Protection Department, Nanjing, China
6. Jiangsu Environmental Monitoring Center, Nanjing, China