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

Year Value Rank Change Change,%
2020 39.8 29 -0.923 -2.27%
2019 40.7 29 -0.152 -0.372%
2018 40.9 36 -2.33 -5.39%
2017 43.2 32 -1.55 -3.47%
2016 44.8 30 -7.18 -13.8%
2015 51.9 26 +14.9 +40.4%
2014 37 37 -0.0916 -0.247%
2013 37.1 41 -4.75 -11.4%
2012 41.9 38 +3.26 +8.45%
2011 38.6 43 -0.45 -1.15%
2010 39 35 -0.225 -0.573%
2009 39.3 34 -0.192 -0.486%
2008 39.5 35 -0.199 -0.502%
2007 39.7 35 -0.246 -0.616%
2006 39.9 39 -0.333 -0.827%
2005 40.2 39 -0.825 -2.01%
2004 41.1 35 -1.41 -3.31%
2003 42.5 32 -1.55 -3.51%
2002 44 32 -1.25 -2.76%
2001 45.3 31 -0.514 -1.12%
2000 45.8 31 +0.621 +1.37%
1999 45.2 31 +1.48 +3.39%
1998 43.7 33 +1.77 +4.21%
1997 41.9 33 +1.48 +3.66%
1996 40.4 34 +0.621 +1.56%
1995 39.8 37 -0.124 -0.31%
1994 39.9 36 -0.404 -1%
1993 40.3 36 -0.733 -1.79%
1992 41.1 36 -1.11 -2.64%
1991 42.2 35 -1.54 -3.52%
1990 43.7 34

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