PM2.5 air pollution, mean annual exposure

24.74 (micrograms per cubic meter) in 2019

日付 変更 , %
2019 24.74 -2.99%
2018 25.50 0.70%
2017 25.33 -8.96%
2016 27.82 -1.93%
2015 28.37 4.27%
2014 27.20 -2.31%
2013 27.85 -3.70%
2012 28.92 2.39%
2011 28.24 6.84%
2010 26.43 6.09%
2005 24.91 1.89%
2000 24.45