中国城市空气质量的区域差异及归因分析

赵艳艳, 张晓平, 陈明星, 高珊珊, 李润奎

Regional variation of urban air quality in China and its dominant factors

ZHAO Yanyan, ZHANG Xiaoping, CHEN Mingxing, GAO Shanshan, LI Runkui

表2 城市6种空气污染物之间相互影响关系的面板回归模型结果

Tab. 2 Interactions between six urban ambient air pollutants from the results of panel data regression models

变量 CO NO2 O3_8h PM10 PM2.5 SO2 CO - 2.397*** -11.662*** 3.228*** 0.808 15.944*** NO2 0.00470*** - 0.636*** 0.320*** 0.0787** 0.150*** O3_8h -0.00305*** 0.0848*** - 0.0586*** -0.0373*** -0.171*** PM10 0.000197*** 0.0997*** 0.137*** - 0.489*** 0.0458 PM2.5 0.00124 0.0616** -0.219*** 1.229*** - 0.349*** SO2 0.0100*** 0.0482*** -0.412*** 0.0473 0.144*** - Constant 0.681*** 8.467*** 89.084*** 5.296** 3.576** -4.619** Observations 1430 1430 1430 1430 1430 1430 R2 0.861 0.935 0.741 0.972 0.965 0.878 变量个数(个) 286 286 286 286 286 286