Annual AQI Trend

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Air Pollutant Concentrations Trend - Central

YEAR NO2 PM10 PM2.5
2016 78 31 20
2015 93 37 24
2014 104 46 28
2013 122 56 34
2012 117 51 33
2011 123 62 39
2010 122 59 36
2009 112 58 35
2008 102 63 41
2007 100 68 45
2006 96 75 47
2005 99 72 48
2004 105 77 54
2003 96 77 53
2002 90 68 45
2001 94 70 47
2000 94 66 44
1999 92 76 54
* Pollutant concentrations in micrograms per cubic metre (μg/m3)

AAQI Long Term Trend - Central

YEAR NO2 PM10 PM2.5
2016 2.0 1.6 2.0
2015 2.3 1.9 2.4
2014 2.6 2.3 2.8
2013 3.1 2.8 3.4
2012 2.9 2.6 3.3
2011 3.1 3.1 3.9
2010 3.1 3.0 3.6
2009 2.8 2.9 3.5
2008 2.6 3.2 4.1
2007 2.5 3.4 4.5
2006 2.4 3.8 4.7
2005 2.5 3.6 4.8
2004 2.6 3.9 5.4
2003 2.4 3.9 5.3
2002 2.3 3.4 4.5
2001 2.4 3.5 4.7
2000 2.4 3.3 4.4
1999 2.3 3.8 5.4
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Last revision date:21:06 21-11-2017