In order to improve the environmental quality during National Day, restrictions on levels of discharging industry pollutant, discharging automobile tail gas and raising dust, have been implemented from September 21.25 great industry companies set limitation of production and stop running equipment burning oil or coal (from September 21 to October 1). All kinds of heavy freight cars, diesel locomotives, tractors and motorcar using mixing gasoline will be forbidden to run inside the Sihuan Road. During the time from September 21 to October 1, in the city every person is banned from burning fallen leaves, roots of balloon flower and all sorts of garbage.