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 |
ベナン | 56.75 | 60.60 | 44.76 | 44.85 | 47.39 | 51.56 | 42.09 | 42.01 | 66.66 | 59.48 | 58.39 | 54.06 | 46.56 | 51.05 |
ブルキナファソ | 57.10 | 62.38 | 61.67 | 58.95 | 55.57 | 61.76 | 48.61 | 49.92 | 71.87 | 66.09 | 60.31 | 58.10 | 50.71 | 58.47 |
カーボベルデ | 42.97 | 48.43 | 36.13 | 24.92 | 42.20 | 51.11 | 36.41 | 31.35 | 51.42 | 43.03 | 53.87 | 31.74 | 39.35 | 42.32 |
コートジボワール | 50.62 | 52.79 | 47.83 | 41.60 | 49.55 | 51.36 | 40.07 | 38.93 | 61.95 | 55.65 | 50.67 | 50.90 | 44.33 | 49.50 |
ガーナ | 60.85 | 63.11 | 49.30 | 47.75 | 52.80 | 56.96 | 44.73 | 43.96 | 68.01 | 62.89 | 60.36 | 56.00 | 49.66 | 54.24 |
ギニアビサウ | 57.08 | 55.31 | 48.48 | 49.40 | 51.05 | 55.81 | 41.54 | 43.56 | 56.92 | 52.70 | 56.78 | 54.14 | 48.50 | 50.21 |
リベリア | 39.46 | 40.11 | 42.26 | 33.65 | 43.09 | 40.95 | 33.84 | 34.35 | 51.12 | 48.30 | 41.51 | 42.04 | 37.16 | 42.36 |
マリ | 65.84 | 65.02 | 62.97 | 67.72 | 62.45 | 69.89 | 51.34 | 56.48 | 74.15 | 66.19 | 66.77 | 63.68 | 57.39 | 56.78 |
ニジェール | 81.72 | 86.47 | 88.58 | 87.98 | 90.97 | 88.57 | 74.59 | 71.65 | 107.14 | 104.91 | 88.79 | 86.02 | 72.47 | 85.12 |
ナイジェリア | 65.04 | 67.60 | 54.62 | 49.54 | 55.06 | 59.33 | 48.14 | 48.18 | 77.12 | 65.43 | 63.21 | 57.02 | 51.72 | 56.53 |
セネガル | 66.60 | 69.35 | 56.31 | 57.01 | 59.14 | 71.98 | 50.77 | 54.89 | 70.74 | 62.25 | 69.00 | 61.80 | 60.34 | 63.74 |
シエラレオネ | 43.18 | 41.68 | 41.58 | 36.92 | 43.13 | 42.40 | 34.42 | 36.22 | 51.81 | 48.70 | 44.71 | 44.34 | 38.59 | 43.22 |
ガンビア | 61.22 | 61.00 | 53.08 | 52.91 | 56.19 | 66.42 | 47.63 | 50.96 | 63.75 | 58.79 | 64.54 | 59.27 | 54.87 | 58.36 |
トーゴ | 60.04 | 63.70 | 45.81 | 47.13 | 48.27 | 53.64 | 43.02 | 43.06 | 67.32 | 60.29 | 58.25 | 55.10 | 47.63 | 51.67 |