State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry(LAPC);
Institute of Atmospheric Physics;
Chinese Academy of Sciences;
Beijing 100029;
China;
University of the Chinese Academy of Sciences;
Beijing 100049;
China;
Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control;
Henan Key Laboratory for Environmental Pollution Control;
School of Environment;
Henan Normal University;
Xinxiang 453007;
China;
Luoyang Eco-Environmental Monitoring Center of Henan Province;
Luoyang 471002;
China;
Luoyang Radiation Environment Service Office;
Luoyang 471002;
China;
3 Clear Science&Technology Co.;
Ltd;
Beijing 100029;
China;
Luoyang; PM_(2.5); Chemical composition; Source apportionment;