State Key Laboratory of Environmental and Biological Analysis;
Department of Chemistry;
Hong Kong Baptist University;
Hong Kong SAR;
China;
Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control;
School of Environmental Science and Engineering;
Institute of Environmental Health and Pollution Control;
Guangdong University of Technology;
Guangzhou 510006;
China;
Institute of Environmental Science;
Shanxi University;
Taiyuan 030006;
China;
Atmospheric pressure gas chromatography-tandem mass spectrometry; Multiple reaction monitoring; Polycyclic aromatic sulfur heterocycles; PM_(2.5); Ambient concentrations;