PM2.5 air pollution, mean annual exposure

42.32 (micrograms per cubic meter) in 2020

日付 変更 , %
2020 42.32 7.55%
2019 39.35 23.99%
2018 31.74 -41.08%
2017 53.87 25.19%
2016 43.03 -16.31%
2015 51.42 64.02%
2014 31.35 -13.91%
2013 36.41 -28.75%
2012 51.11 21.11%
2011 42.20 69.33%
2010 24.92 -3.08%
2009 25.71