Spatiotemporal patterns of recent NO2 concentrations and the relationship with emissions and meteorology over typical urban agglomerations in China

Yang Shen1, Fei Jiang1, Zhe CAI1 and Xiaopu Lyu2, (1)Nanjing University, Nanjing, China, (2)Hong Kong Polytechnic University, Civil and Environmental Engineering, Hong Kong, Hong Kong