12-7  Ambient Sea Water Quality (2006)
 
        (10 000 sq.km)
Sea Area Clean Lightly Moderately Heavily
Area Polluted Area Polluted Area Polluted Area
         
  National Total 5.102 5.214 1.744 2.837
  Bohai Sea 0.819 0.737 0.175 0.277
  Yellow Sea 1.730 1.206 0.484 0.923
  The East China Sea 2.086 2.311 0.838 1.466
  South China Sea 0.467 0.960 0.247 0.171