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

Year Value Rank Change Change,%
2020 8.45 182 +0.47 +5.89%
2019 7.98 181 -1.04 -11.6%
2018 9.03 180 -0.229 -2.48%
2017 9.26 177 +0.417 +4.72%
2016 8.84 180 -0.805 -8.35%
2015 9.64 178 +0.137 +1.44%
2014 9.51 176 -0.263 -2.69%
2013 9.77 176 -0.347 -3.43%
2012 10.1 175 -1.4 -12.2%
2011 11.5 172 +0.722 +6.69%
2010 10.8 174 -0.186 -1.7%
2009 11 173 -0.461 -4.03%
2008 11.4 172 -0.588 -4.89%
2007 12 170 -0.568 -4.51%
2006 12.6 167 -0.401 -3.08%
2005 13 164 -0.258 -1.95%
2004 13.3 163 -0.233 -1.73%
2003 13.5 163 -0.2 -1.46%
2002 13.7 163 -0.16 -1.15%
2001 13.8 163 -0.111 -0.793%
2000 14 163 -0.0015 -0.0108%
1999 14 163 +0.116 +0.836%
1998 13.8 163 +0.163 +1.19%
1997 13.7 163 +0.139 +1.03%
1996 13.5 163 +0.0454 +0.336%
1995 13.5 165 -0.027 -0.199%
1994 13.5 166 -0.0354 -0.261%
1993 13.6 166 -0.0506 -0.372%
1992 13.6 166 -0.0728 -0.532%
1991 13.7 166 -0.102 -0.738%
1990 13.8 166

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