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

Year Value Rank Change Change,%
2020 7.81 185 +0.639 +8.9%
2019 7.18 189 -0.646 -8.26%
2018 7.82 185 +0.0316 +0.406%
2017 7.79 184 +0.382 +5.16%
2016 7.41 186 -0.782 -9.55%
2015 8.19 183 -0.319 -3.75%
2014 8.51 181 -0.236 -2.7%
2013 8.75 180 -0.264 -2.93%
2012 9.01 180 -0.354 -3.78%
2011 9.36 179 +0.0887 +0.957%
2010 9.28 179 -0.212 -2.23%
2009 9.49 179 -0.522 -5.21%
2008 10 179 -0.664 -6.22%
2007 10.7 178 -0.636 -5.63%
2006 11.3 177 -0.44 -3.75%
2005 11.7 176 -0.265 -2.2%
2004 12 175 -0.226 -1.85%
2003 12.2 173 -0.195 -1.56%
2002 12.4 173 -0.17 -1.35%
2001 12.6 173 -0.151 -1.19%
2000 12.8 173 -0.169 -1.31%
1999 12.9 170 -0.201 -1.53%
1998 13.1 167 -0.208 -1.56%
1997 13.3 165 -0.19 -1.4%
1996 13.5 164 -0.146 -1.07%
1995 13.7 163 -0.113 -0.821%
1994 13.8 163 -0.105 -0.758%
1993 13.9 164 -0.092 -0.658%
1992 14 164 -0.0735 -0.523%
1991 14.1 165 -0.0496 -0.352%
1990 14.1 165

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