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香港去年空氣質素較前年差 污染集中本港西部地區
香港去年空氣質素較前年差 污染集中本港西部地區
Local
publish：
2018-01-11 03:16
By：
無綫新聞
有團體研究指，本港去年的空氣質素比前年差，空氣污染集中在本港西部。
《健康空氣行動》引用環保署的數據分析，去年本港主要路邊空氣污染物水平顯著上升，當中銅鑼灣的二氧化氮濃度比前年上升接近一成，而中環的微細懸浮粒子PM 2.5濃度則比前年升百分之7.5，這兩類污染物都比世衞年均水平高。
數據又指，空氣污染主要集中在葵涌、深水埗及荃灣，團體指主要因為本港西部地區交通流量較東部密集。
空氣質素
健康空氣行動
PM 2.5
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