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

Year Value Rank Change Change,%
2020 51 15 +4.49 +9.63%
2019 46.6 23 -7.49 -13.9%
2018 54.1 23 -4.33 -7.42%
2017 58.4 18 -1.09 -1.83%
2016 59.5 17 -7.18 -10.8%
2015 66.7 16 +24.6 +58.7%
2014 42 27 -0.0769 -0.183%
2013 42.1 32 -9.47 -18.4%
2012 51.6 25 +4.17 +8.8%
2011 47.4 27 +2.54 +5.67%
2010 44.8 25 +0.0952 +0.213%
2009 44.8 25 +0.0552 +0.124%
2008 44.7 27 +0.0171 +0.0382%
2007 44.7 30 -0.0193 -0.0431%
2006 44.7 28 -0.0538 -0.12%
2005 44.8 28 -1.69 -3.64%
2004 46.4 28 -3.93 -7.81%
2003 50.4 26 -4.67 -8.49%
2002 55.1 23 -3.91 -6.62%
2001 59 19 -1.64 -2.7%
2000 60.6 16 +1.09 +1.83%
1999 59.5 17 +2.6 +4.56%
1998 56.9 19 +3.1 +5.76%
1997 53.8 20 +2.6 +5.07%
1996 51.2 21 +1.09 +2.17%
1995 50.1 22 -0.204 -0.404%
1994 50.3 22 -0.672 -1.32%
1993 51 22 -1.23 -2.36%
1992 52.2 21 -1.89 -3.48%
1991 54.1 20 -2.63 -4.63%
1990 56.7 20

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