PM2.5 air pollution, mean annual exposure

14.61 (micrograms per cubic meter) in 2020

日付 変更 , %
2020 14.61 -6.46%
2019 15.62 -8.04%
2018 16.98 7.64%
2017 15.78 -0.34%
2016 15.83 -10.08%
2015 17.61 -9.24%
2014 19.40 2.23%
2013 18.97 5.01%
2012 18.07 -3.36%
2011 18.70 -10.70%
2010 20.94 -1.34%
2009 21.22