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Annual AQI Trend

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Air Pollutant Concentrations Trend - Tai Po

YEARNO2PM10PM2.5
2020302415
2019363120
2018363119
2017393222
2016332920
2015373623
2014454127
201353NANA
2012514128
2011454639
20104645NA
20094546NA
20085250NA
20075353NA
20065751NA
20054951NA
2004NANANA
20035254NA
20024846NA
20015050NA
20004748NA
19995454NA
* Pollutant concentrations in micrograms per cubic metre (μg/m3)

AAQI Long Term Trend - Tai Po

YEARNO2PM10PM2.5
20200.81.21.5
20190.91.62.0
20180.91.61.9
20171.01.62.2
20160.81.52.0
20150.91.82.3
20141.12.12.7
20131.3NANA
20121.32.12.8
20111.12.33.9
20101.22.3NA
20091.12.3NA
20081.32.5NA
20071.32.7NA
20061.42.6NA
20051.22.6NA
2004NANANA
20031.32.7NA
20021.22.3NA
20011.32.5NA
20001.22.4NA
19991.42.7NA