Annual AQI Trend

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Air Pollutant Concentrations Trend - Causeway Bay

YEAR NO2 PM10 PM2.5
2016 89 45 32
2015 106 55 37
2014 103 57 38
2013 121 64 45
2012 117 61 42
2011 124 66 44
2010 116 66 NA
2009 109 71 NA
2008 96 79 NA
2007 90 85 NA
2006 95 83 NA
2005 95 84 NA
2004 93 88 NA
2003 91 81 NA
2002 94 80 NA
2001 105 97 NA
2000 98 101 NA
1999 105 105 NA
* Pollutant concentrations in micrograms per cubic metre (μg/m3)

AAQI Long Term Trend - Causeway Bay

YEAR NO2 PM10 PM2.5
2016 2.2 2.3 3.2
2015 2.7 2.8 3.7
2014 2.6 2.9 3.8
2013 3.0 3.2 4.5
2012 2.9 3.1 4.2
2011 3.1 3.3 4.4
2010 2.9 3.3 NA
2009 2.7 3.6 NA
2008 2.4 4.0 NA
2007 2.3 4.3 NA
2006 2.4 4.2 NA
2005 2.4 4.2 NA
2004 2.3 4.4 NA
2003 2.3 4.1 NA
2002 2.4 4.0 NA
2001 2.6 4.9 NA
2000 2.5 5.1 NA
1999 2.6 5.3 NA
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Last revision date:00:06 24-11-2017