PM2.5 air pollution, mean annual exposure

30.58 (micrograms per cubic meter) in 2020

日付 変更 , %
2020 30.58 -6.37%
2019 32.66 -4.50%
2018 34.20 0.55%
2017 34.02 -5.15%
2016 35.86 -5.91%
2015 38.11 -1.36%
2014 38.64 -5.87%
2013 41.05 -5.17%
2012 43.29 3.54%
2011 41.81 21.38%
2010 34.45 7.07%
2009 32.17