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

Year Value Rank Change Change,%
2020 12.6 147 -0.321 -2.49%
2019 12.9 147 +0.0481 +0.375%
2018 12.8 149 +0.735 +6.08%
2017 12.1 154 -0.421 -3.36%
2016 12.5 151 +0.0874 +0.704%
2015 12.4 156 -0.156 -1.24%
2014 12.6 156 +0.0199 +0.159%
2013 12.6 158 +0.0931 +0.747%
2012 12.5 161 +0.216 +1.76%
2011 12.2 168 -0.27 -2.16%
2010 12.5 162 -0.17 -1.34%
2009 12.7 162 -0.166 -1.29%
2008 12.9 165 -0.149 -1.15%
2007 13 164 -0.119 -0.905%
2006 13.1 163 -0.0753 -0.57%
2005 13.2 163 -0.0393 -0.297%
2004 13.2 164 -0.0181 -0.137%
2003 13.3 164 +0.00518 +0.0391%
2002 13.3 164 +0.0306 +0.231%
2001 13.2 165 +0.0582 +0.442%
2000 13.2 167 +0.14 +1.08%
1999 13 169 +0.231 +1.8%
1998 12.8 171 +0.253 +2.01%
1997 12.5 171 +0.206 +1.67%
1996 12.3 171 +0.0918 +0.75%
1995 12.2 171 -0.0152 -0.124%
1994 12.3 171 -0.0706 -0.573%
1993 12.3 171 -0.128 -1.03%
1992 12.5 170 -0.187 -1.48%
1991 12.6 170 -0.248 -1.92%
1990 12.9 170

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