"Like so many iconic American products, Los Angeles smog is now being made in China." "...pollution caused by China's manufacturing for export contributes as much as 12 to 24 per cent of daily sulphate levels in the Western US."
Los Angeles' fog is made in China
"Studies by the World Bank, WHO, and the Chinese Academy for Environmental Planning on the effect of air pollution on health concluded that between 350,000 and 500,000 people die prematurely each year as a result of outdoor air pollution in China."
Chinese official says air pollution kills up to 500,000 a year