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年均指数趋势

年均空气污染物浓度趋势 - 葵涌

年份二氧化氮可吸入悬浮粒子微细悬浮粒子
2020482314
2019542918
2018553220
2017573523
2016593322
2015643725
2014674128
2013694632
2012644229
2011674830
20106545NA
20096447NA
20086652NA
20076160NA
20065858NA
20056358NA
20047062NA
20037056NA
20026748NA
20016953NA
20006951NA
19997256NA
* 显示的浓度单位是微克/立方米

年均空气质素指数长期趋势 - 葵涌

年份二氧化氮可吸入悬浮粒子微细悬浮粒子
20201.21.21.4
20191.41.51.8
20181.41.62.0
20171.41.82.3
20161.51.72.2
20151.61.92.5
20141.72.12.8
20131.72.33.2
20121.62.12.9
20111.72.43.0
20101.62.3NA
20091.62.4NA
20081.72.6NA
20071.53.0NA
20061.52.9NA
20051.62.9NA
20041.83.1NA
20031.82.8NA
20021.72.4NA
20011.72.7NA
20001.72.6NA
19991.82.8NA