PM2.5 air pollution, mean annual exposure

20.55 (micrograms per cubic meter) in 2019

日付 変更 , %
2019 20.55 0.20%
2018 20.51 6.46%
2017 19.26 -17.70%
2016 23.40 12.62%
2015 20.78 -3.56%
2014 21.55 -12.65%
2013 24.67 7.29%
2012 22.99 5.67%
2011 21.76 -17.51%
2010 26.38 1.97%
2005 25.87 1.89%
2000 25.39