shanghai heavy quality

  • Pollution in China - Wikipedia

    Pollution in China is one aspect of the broader topic of environmental issues in China.Various forms of pollution have increased as China has industrialised, which has caused widespread environmental health problems.. China will either shut down or curtail operations at dozens of steel plants from November 2017, over the next five months under an aggressive action plan to reduce winter ...

  • Shanghai - Wikipedia

    Air pollution in Shanghai is not as severe as in many other Chinese cities, but still substantial by world standards. During the December 2013 Eastern China smog, air pollution rates reached between 23 and 31 times the international standard.

  • Shanghai - Wikipedia

    Air pollution in Shanghai is not as severe as in many other Chinese cities, but still substantial by world standards. During the December 2013 Eastern China smog, air pollution rates reached between 23 and 31 times the international standard.