Shanghai and neighboring areas with a number of measures to ensure good air quality and a healthy environment for Expo 2010 will come to the city from May 1 to 31 October instead.
The Shanghai Environmental Protection Bureau to the Xinhua news agency Friday that the measures aimed primarily at power plants with coal and other polluting industries, boilers, stoves and ovens, volatile organic pollutants, dust, motor vehicles and agricultural burning.
The measures may have an impact and continued after the 2010 World Expo , said Zhang Quan, head of office.
In 2009, Shanghai BSC (recorded chemical oxygen demand) emissions by 243,400 tons, a decrease of 8.74 percent compared with 2008 levels and emissions of sulfur dioxide by 379,000 tons, down 15.05 percent, the Bureau he said. Shares of Shanghai placed on top of the list of Chinese cities in terms of annual reduction in COD and emissions of sulfur dioxide.

