Annual AQI Trend

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Air Pollutant Concentrations Trend - Tai Po

YEAR NO2 PM10 PM2.5
2016 33 29 20
2015 37 36 23
2014 45 41 27
2013 53 NA NA
2012 51 41 28
2011 45 46 39
2010 46 45 NA
2009 45 46 NA
2008 52 50 NA
2007 53 53 NA
2006 57 51 NA
2005 49 51 NA
2004 NA NA NA
2003 52 54 NA
2002 48 46 NA
2001 50 50 NA
2000 47 48 NA
1999 54 54 NA
* Pollutant concentrations in micrograms per cubic metre (μg/m3)

AAQI Long Term Trend - Tai Po

YEAR NO2 PM10 PM2.5
2016 0.8 1.5 2.0
2015 0.9 1.8 2.3
2014 1.1 2.1 2.7
2013 1.3 NA NA
2012 1.3 2.1 2.8
2011 1.1 2.3 3.9
2010 1.2 2.3 NA
2009 1.1 2.3 NA
2008 1.3 2.5 NA
2007 1.3 2.7 NA
2006 1.4 2.6 NA
2005 1.2 2.6 NA
2004 NA NA NA
2003 1.3 2.7 NA
2002 1.2 2.3 NA
2001 1.3 2.5 NA
2000 1.2 2.4 NA
1999 1.4 2.7 NA
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Last revision date:21:06 21-11-2017