Department of Earth and Environmental Sciences;
Xi'an Jiaotong University;
Xi'an 710049;
China;
Department of Architecture and Civil Engineering;
City University of Hong Kong;
Kowloon Tong;
Hong Kong;
China;
Department of Environmental Engineering;
Chang'an University;
Xi'an 710064;
China;
Faculty of Environmental Symbiotic Sciences;
Prefectural University of Kumamoto;
Kumamoto 862-8502;
Japan;
Department of Applied Chemistry;
Keio University;
3-14-1 Hiyoshi;
Kohoku-ku;
Yokohama 223-8522;
Japan;
International Society of the Built Environment(1SBE);
Milton Keynes MK78HQ;
UK;
Aerosol particles; Atmospheric humidity; Charging state; Haze day; Physicochemical effect; Sand-dust day;