Guardian: An eight-year-old girl becomes China's 'youngest' lung-cancer patient as doctors say high levels of air pollution responsible for her condition Share Tweet this Email A pedestrian is picked out of gloom in his red jacket on a smoggy day in Jilin in China. Concern is growing over air quality in Chinese cities as the density of airborne particles is several times above World Health Organisation recommended limits. Photograph: Stringer/Reuters From cancer villages to lung-choking pollution, the impacts...