PM2.5 air pollution, mean annual exposure (micrograms per cubic meter)
1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
中国 | 49.30 | 50.30 | 51.48 | 47.48 | 51.35 | 48.12 | 58.47 | 54.57 | 50.83 | 46.83 | 45.84 | 40.27 | 37.55 | 34.81 |
カザフスタン | 18.94 | 16.70 | 16.63 | 20.51 | 25.49 | 27.20 | 25.84 | 23.84 | 22.56 | 22.76 | 21.02 | 20.59 | 20.86 | 20.03 |
キルギスタン | 22.02 | 23.04 | 22.42 | 26.59 | 33.45 | 34.38 | 33.83 | 30.55 | 29.75 | 29.02 | 26.86 | 27.45 | 26.76 | 24.38 |
ロシア連邦 | 25.93 | 20.75 | 15.80 | 15.38 | 13.91 | 13.90 | 14.06 | 14.25 | 12.94 | 12.48 | 11.74 | 12.32 | 11.68 | 11.27 |
タジキスタン | 33.41 | 37.03 | 33.21 | 39.79 | 53.20 | 51.38 | 51.05 | 46.67 | 45.57 | 44.77 | 42.51 | 42.33 | 40.29 | 37.05 |
パキスタン | 60.32 | 59.16 | 58.99 | 46.57 | 55.75 | 66.87 | 68.58 | 71.71 | 68.01 | 68.52 | 61.80 | 62.39 | 52.86 | 43.00 |