In 1997, the highest annual averages recorded were 131 micrograms per cubic metre of total suspended particulates and 73 micrograms per cubic metre of respirable suspended particulates.

 
  • 在一九九七年全年,錄得總懸浮粒子的最高平均水平為每立方米131微克,可吸入懸浮粒子則為每立方米73微克;
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