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

Year Value Rank Change Change,%
2020 14.3 136 +0.931 +6.96%
2019 13.4 144 -1.75 -11.6%
2018 15.1 141 -2.04 -11.9%
2017 17.2 125 +0.269 +1.59%
2016 16.9 128 -0.766 -4.34%
2015 17.7 131 +0.11 +0.625%
2014 17.6 133 -0.936 -5.06%
2013 18.5 128 +0.553 +3.08%
2012 17.9 133 -1.49 -7.66%
2011 19.4 126 +1.82 +10.4%
2010 17.6 135 -0.204 -1.15%
2009 17.8 135 -0.507 -2.77%
2008 18.3 133 -0.653 -3.44%
2007 19 131 -0.642 -3.27%
2006 19.6 125 -0.473 -2.36%
2005 20.1 123 -0.338 -1.65%
2004 20.4 121 -0.324 -1.56%
2003 20.7 121 -0.285 -1.35%
2002 21 118 -0.222 -1.04%
2001 21.3 116 -0.134 -0.627%
2000 21.4 117 +0.0771 +0.362%
1999 21.3 116 +0.302 +1.44%
1998 21 120 +0.388 +1.88%
1997 20.6 123 +0.333 +1.64%
1996 20.3 128 +0.14 +0.693%
1995 20.1 130 -0.0244 -0.121%
1994 20.2 130 -0.0673 -0.333%
1993 20.2 130 -0.113 -0.553%
1992 20.3 128 -0.16 -0.781%
1991 20.5 128 -0.21 -1.01%
1990 20.7 129

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