Cambodia Cambodia, PM2.5 air pollution, mean annual exposure (micrograms per cubic meter)

Year Value Rank Change Change,%
2020 24.1 77 +1.17 +5.09%
2019 23 80 -0.0181 -0.0789%
2018 23 86 +2.28 +11%
2017 20.7 97 -1.7 -7.59%
2016 22.4 97 +0.808 +3.74%
2015 21.6 101 -0.506 -2.29%
2014 22.1 97 -3.67 -14.2%
2013 25.8 75 +2.78 +12.1%
2012 23 92 +1.32 +6.07%
2011 21.7 105 -3.14 -12.7%
2010 24.8 73 -1.6 -6.07%
2009 26.4 66 -1.36 -4.9%
2008 27.8 60 -1.08 -3.73%
2007 28.9 60 -0.749 -2.53%
2006 29.6 56 -0.38 -1.27%
2005 30 56 -0.11 -0.367%
2004 30.1 57 +0.00475 +0.0158%
2003 30.1 57 +0.0794 +0.264%
2002 30 59 +0.113 +0.379%
2001 29.9 63 +0.107 +0.359%
2000 29.8 63 +0.147 +0.497%
1999 29.7 63 +0.215 +0.731%
1998 29.4 64 +0.214 +0.731%
1997 29.2 65 +0.142 +0.49%
1996 29.1 68 +0.00169 +0.0058%
1995 29.1 69 -0.153 -0.525%
1994 29.2 69 -0.268 -0.91%
1993 29.5 66 -0.371 -1.24%
1992 29.9 65 -0.462 -1.52%
1991 30.3 66 -0.541 -1.75%
1990 30.9 65

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