Air pollution 1 China 1 City-level SO2 emission 1 City-level SO2 emissions 1 Economic and social effects 1 Emission control 1 Geography Weighted Regression (GWR) model 1 Geography weighted regression model 1 Influential factors 1 Night time lights Regression analysis 1 Regression modelling 1 STIRPAT framework 1 Spatial heterogeneity 1 Stochastic impact by regression on population, affluence and technology framework 1 Stochastic models 1 Stochastic systems 1 Stochastics 1 Sulfur dioxide 1 Urban growth 1 Urbanization 1 Weighted regression 1 atmospheric pollution 1 emission control 1 industrial emission 1 policy development 1 spatial distribution 1 sulfur dioxide 1 urbanization 1