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Air Pollutant Concentrations Trend - Tsuen Wan

YEARNO2PM10PM2.5
2022392214
2021442416
2020362415
2019463020
2018453020
2017523322
2016563121
2015593624
2014574228
2013634731
2012614229
2011645035
2010634530
2009614932
2008645337
2007645941
2006645741
2005615843
2004696346
2003NANANA
2002645135
2001635337
2000615033
1999675437
* Pollutant concentrations in micrograms per cubic metre (μg/m3)

AAQI Long Term Trend - Tsuen Wan

YEARNO2PM10PM2.5
20221.01.11.4
20211.11.21.6
20200.91.21.5
20191.21.52.0
20181.11.52.0
20171.31.72.2
20161.41.62.1
20151.51.82.4
20141.42.12.8
20131.62.43.1
20121.52.12.9
20111.62.53.5
20101.62.33.0
20091.52.53.2
20081.62.73.7
20071.63.04.1
20061.62.94.1
20051.52.94.3
20041.73.24.6
2003NANANA
20021.62.63.5
20011.62.73.7
20001.52.53.3
19991.72.73.7
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Last revision date: 20:06 28-03-2024