PM2.5 air pollution, mean annual exposure

21.73 (micrograms per cubic meter) in 2020

日付 変更 , %
2020 21.73 -1.35%
2019 22.02 -5.22%
2018 23.24 -0.03%
2017 23.24 -4.56%
2016 24.35 -3.31%
2015 25.19 -4.67%
2014 26.42 -6.43%
2013 28.23 -3.24%
2012 29.18 6.39%
2011 27.43 18.63%
2010 23.12 6.38%
2009 21.73