亜酸化窒素の排出は、農業バイオマス燃焼、産業活動、家畜管理による排出です。
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ボツワナ | 4,440.5 | 4,262.2 | 2,698.1 | 8,384.2 | 10,631.5 | 4,333.4 | 3,833.0 | 2,457.7 | 2,099.5 | 1,718.7 | 3,383.2 | 2,282.7 | 1,333.9 | 2,963.6 |
| レソト | 585.5 | 697.2 | 659.2 | 616.9 | 629.3 | 622.9 | 580.5 | 569.9 | 566.9 | 547.3 | 606.7 | 543.5 | 482.8 | 537.9 |
| ナミビア | 3,447.6 | 3,731.1 | 3,497.9 | 4,114.0 | 6,604.3 | 7,201.5 | 3,565.8 | 3,010.6 | 2,958.2 | 3,227.3 | 3,252.0 | 2,827.0 | 2,333.4 | 3,921.1 |
| 南アフリカ | 19,000.1 | 19,667.2 | 18,976.8 | 19,655.7 | 19,581.8 | 19,953.7 | 19,419.9 | 19,432.1 | 18,558.4 | 17,799.8 | 19,516.3 | 18,612.3 | 18,209.8 | 17,993.0 |
| エスワティニ | 462.7 | 411.7 | 422.2 | 436.5 | 437.9 | 436.5 | 442.5 | 439.3 | 419.4 | 406.4 | 417.1 | 422.0 | 447.5 | 423.5 |