Air pollution 2 China 2 atmospheric pollution 2 particulate matter 2 spatiotemporal analysis Air pollution control 1 Air pollution prevention 1 Chinese cities 1 Co-ordinated control 1 Control capabilities 1 Control efficiency 1 Coordinated control 1 Coordinated control capability 1 Dynamical index 1 Economic and social effects 1 Economic development 1 Economics 1 Efficiency 1 Emission control 1 Environmental management 1 Fractals 1 Global Malmquist-Luenberger productivity index 1 Global malmquist-luenberger productivity index 1 Growth rate 1 Guangzhou 1 MF-DCCA 1 Multi fractals 1 Multifractal detrended cross-correlation analyse 1 O3 1 PM 1