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Sustainability 2019, 11(3), 939; https://doi.org/10.3390/su11030939

Evaluating China’s Air Pollution Control Policy with Extended AQI Indicator System: Example of the Beijing-Tianjin-Hebei Region

1,†
and
2,*,†
1
School of Information Management and Engineering, Fintech Research Institute, Shanghai University of Finance and Economics, Shanghai 200433, China
2
Business School, University of Shanghai for Science and Technology, Shanghai 200093, China
*
Author to whom correspondence should be addressed.
Guanghui Yuan and Weixin Yang are joint first authors. They contributed equally to this paper.
Received: 14 January 2019 / Revised: 2 February 2019 / Accepted: 7 February 2019 / Published: 12 February 2019
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Abstract

This paper calculated and evaluated the air quality of 13 cities in China’s Beijing-Tianjin-Hebei (BTH) region from February 2015 to January 2018 based on the extended AQI (Air Quality Index) Indicator System. By capturing the heterogeneous information in major pollutant indicators and the standardization process, we depicted the important effect of other relevant features of pollutant indicators beyond single-point data. Based on that, we further calculated the assessment value of the air quality of different cities in the BTH region by using the Collaborative Filtering Backward Cloud Model to construct differentiated weights of different indicators. With help of the Back Propagation (BP) Neutral Network, we simulated the effect of the pollution control policies of the Chinese government targeting air pollution since March 2016. Our conclusion is: the pollution control policies have improved the air quality of Beijing by 55.74%, and improved the air quality of Tianjin by 34.38%; while the migration of polluting enterprises from Beijing and Tianjin has caused different changes in air quality in different cities of Hebei province—we saw air quality deterioration by 58.60% and 38.68% in Shijiazhuang and Handan city respectively. View Full-Text
Keywords: AQI indicators; air pollution; collaborative filtering; Beijing-Tianjin-Hebei region AQI indicators; air pollution; collaborative filtering; Beijing-Tianjin-Hebei region
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Yuan, G.; Yang, W. Evaluating China’s Air Pollution Control Policy with Extended AQI Indicator System: Example of the Beijing-Tianjin-Hebei Region. Sustainability 2019, 11, 939.

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