Just 3 out of 74 'major Chinese cities' subject to national air quality standards were able to meet their goals last year, as Shanghai, Beijing, and the Pearl River Delta gleefully spewed steaming clouds of smog all year long. The clean-aired winners are Haikou (Hainan), Lhasa (Tibet), and Zhoushan (Zhejiang).

Visit the original source and full text: Shanghaiist