Research Article

Impacts of Emission Reduction Technological Changes on China’s City-Level PM2.5 Concentration Based on Sustainable Development

Table 3

List of city clusters.

ClusterCity nameNumber of cities

First groupAnkang, Anqing, Anshun, Anyang, Anshan, Bazhong, Baicheng, Baishan, Baiyin, Bengbu, Baotou, Baoji, Baoding, Baoshan, Beihai, Benxi, Binzhou, Cangzhou, Changde, Chaoyang, Chaozhou, Chenzhou, Chengde, Chizhou, Chifeng, Chuzhou, Dazhou, Daqing, Datong, Dandong, Deyang, Dezhou, Dongying, Fangchenggang, Fushun, Fuzhou, Fuxin, Fuyang, Ganzhou, Guang’an, Guangyuan, Guigang, Guiyang, Guilin, Haikou, Handan, Hanzhong, Heyuan, Heze, Hebi, Hegang, Heihe, Hengshui, Hengyang, Hohhot, Huludao Huaihua, Huai’an, Huaibei, Huainan, Huanggang, Huangshan, Huangshi, Jixi, Ji’an, Jilin, Jiamusi, Jiaxing, Jiayuguan, Jiangmen, Jiaozuo, Jieyang, Jinchang, Jinhua, Jinzhou, Jincheng, Jinzhong, Jingmen, Jingdezhen, Jiujiang, Kaifeng, Karamay, Laiwu, Lanzhou, Langfang, Leshan, Lishui, Lianyungang, Liaoyang, Liaoyuan, Liaocheng, Linfen, Linyi, Liuzhou, Liuan, Liupanshui, Longyan, Loudi, Luzhou, Luoyang, Luohe, Ma’anshan, Maoming, Meishan, Meizhou, Mianyang, Mudanjiang, Nanchong, Nanning, Nanping, Neijiang, Ningde, Panzhihua, Panjin, Pingdingshan, Pingxiang, Putian, Puyang, Qitaihe, Qiqihar, Qinzhou, Qinhuangdao, Qingyuan, Quzhou, Qujing, Rizhao, Sanmenxia, Sanming, Sanya, Xiamen, Shantou, Shanwei, Shangqiu, Shangrao, Shaoguan, Shaoyang, Shiyan, Shizuishan, Shuangyashan, Shuozhou, Siping, Songyuan, Suihua, Suizhou, Suining, Taizhou, Taiyuan, Tai’an, Tianshui, Tieling, Tonghua, Tongliao, Tongchuan, Tongling, Weihai, Weinan, Wuhai, Urumqi, Wuhu, Wuzhong, Wuzhou, Xining, Xianning, Xianyang, Xiangtan, Xiaogan, Xinzhou, Xinxiang, Xinyu, Xinyang, Xingtai, Suqian, Suzhou, Xuchang, Xuancheng, Ya’an, Yan’an, Yangjiang, Yangquan, Yichun, Yibin, Yichang, Yichun, Yiyang, Yinchuan, Yingtan, Yingkou, Yongzhou, Yulin, Yuxi, Yueyang, Yunfu, Yuncheng, Zaozhuang, Zhanjiang, Zhangjiajie, Zhangjiakou, Zhangzhou, Changzhi, Zhaoqing, Zhenjiang, Zhongshan, Zhoushan, Zhoukou, Zhuhai, Zhuzhou, Zhumadian, Ziyang, Zigong, Zunyi216
Second groupChangzhou, Chengdu, Dalian, Dongguan, Foshan, Fuzhou, Harbin, Hangzhou, Hefei, Jinan, Jining, Kunming, Nanchang, Nanjing, Nantong, Ningbo, Qingdao, Quanzhou, Shaoxing, Shenyang, Shijiazhuang, Taizhou, Tangshan, Weifang, Wenzhou, Wuxi, Wuhan, Xi’an, Xuzhou, Yantai, Yancheng, Yangzhou, Changchun, Changsha, Zhengzhou, Zibo36
Third groupBeijing, Guangzhou, Shanghai, Shenzhen, Suzhou, Tianjin, Chongqing7

∗, ∗∗, and ∗∗∗ denote statistical significance levels at 10%, 5%, and 1%, respectively.