PM2.5 air pollution, mean annual exposure

22.88 (micrograms per cubic meter) in 2020

日付 変更 , %
2020 22.88 -6.56%
2019 24.48 -2.71%
2018 25.17 -5.18%
2017 26.54 -5.39%
2016 28.05 2.17%
2015 27.46 1.91%
2014 26.94 3.24%
2013 26.10 -7.03%
2012 28.07 2.75%
2011 27.32 -10.67%
2010 30.58 -14.39%
2009 35.72