If your health is that bad, you should avoid: Beijing, the Yangtze Delta, the Pearl Delta, Shenyang, Wuhan, Zhengzhou, Changsha, Nanjing, Chongqing, Lanzhou, Inner Mongolia, Xi'an... am I forgetting anywhere?

The following places generally have better air quality than your typical smoky bar: Qingdao, Dalian, Xiamen, Hainan, rural parts of Xinjiang, Sichuan, Yunnan, Tibet, Qinghai, and the NE.