The 13 cities, in descending order of dustfall amount are, Lianyungang, Suzhou (tied with Nantong), Wuxi (tied with Yancheng and Yangzhou), Nanjing and Zhenjiang (tied with Suqian), Huai’an (tied with Taizhou), Changzhou and Xuzhou. Full story (in Chinese) via this link; read the absolute essentials about Jiangsu via this link.
