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

Year Value Rank Change Change,%
2020 85.1 1 +12.7 +17.5%
2019 72.5 2 -13.6 -15.8%
2018 86 2 -2.77 -3.11%
2017 88.8 1 -16.1 -15.4%
2016 105 1 -2.23 -2.08%
2015 107 1 +35.5 +49.5%
2014 71.7 6 -2.93 -3.93%
2013 74.6 3 -14 -15.8%
2012 88.6 2 -2.4 -2.64%
2011 91 1 +2.98 +3.39%
2010 88 1 -0.0509 -0.0579%
2009 88 1 -0.152 -0.172%
2008 88.2 1 -0.186 -0.211%
2007 88.4 2 -0.154 -0.173%
2006 88.5 2 -0.0541 -0.0611%
2005 88.6 2 +0.127 +0.144%
2004 88.5 2 +0.318 +0.36%
2003 88.1 2 +0.465 +0.531%
2002 87.7 2 +0.571 +0.655%
2001 87.1 2 +0.634 +0.733%
2000 86.5 2 +1.32 +1.55%
1999 85.1 2 +2.21 +2.66%
1998 82.9 3 +2.42 +3%
1997 80.5 3 +1.95 +2.48%
1996 78.6 3 +0.807 +1.04%
1995 77.8 4 -0.079 -0.102%
1994 77.8 4 -0.327 -0.419%
1993 78.2 5 -0.684 -0.867%
1992 78.9 5 -1.15 -1.44%
1991 80 3 -1.72 -2.11%
1990 81.7 3

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