PM2.5 air pollution, mean annual exposure

29.93 (micrograms per cubic meter) in 2020

日付 変更 , %
2020 29.93 -3.84%
2019 31.12 -8.99%
2018 34.20 -12.69%
2017 39.17 1.41%
2016 38.62 -9.21%
2015 42.54 -3.76%
2014 44.20 -4.11%
2013 46.09 22.69%
2012 37.57 -3.88%
2011 39.08 9.08%
2010 35.83 -1.25%
2009 36.28