School of Atmospheric Sciences;
Sun Yat-sen University;
Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies;
Sun Yat-sen University;
Department of Civil and Environmental Engineering;
Hong Kong Polytechnic University;
Institute for Environmental and Climate Research;
Jinan University;
Source; apportionment; Methacrolein; Methyl; vinyl; ketone; Pearl; River; Delta;