Based on the data of population size, industrial development, energy consumption and technological level from 2013 in the Beijing-Tianjin-Hebei region, the fairness of PM₂.₅ pollution emissions were analyzed using Gini coefficient and contribution coefficient. In addition, a reduction allocation plan of PM₂.₅ concentration by 2020 in 13 cities was determined according to a minimized model of Gini coefficient model. The results showed that: (1) Gini coefficients of industrial development and technological level were greater than 0.4, implying that the PM₂.₅ pollution emissions in the region were significantly unfair from the perspective of industry and technology, especially in the aspect of technological level. (2) The spatial distribution of industrial and technological contribution coefficients presented a downward trend from Beijing and Tianjin to the periphery, and cities in Hebei Province were central to the unfairness of PM₂.₅ pollution emissions across the whole region. (3) The reduction values of PM₂.₅ concentration were between 16.7 1μg/m³ and 57.49 μg/m³, and a reduction allocation plan of PM₂.₅ concentration could improve the overall fairness of PM₂.₅ pollution emissions in the Beijing-Tianjin-Hebei region, but the unfairness of PM₂.₅ pollution emissions would not change dramatically.
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Financed by the National Centre for Research and Development under grant No. SP/I/1/77065/10 by the strategic scientific research and experimental development program:
SYNAT - “Interdisciplinary System for Interactive Scientific and Scientific-Technical Information”.