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 |
| アンチグアバーブーダ | 19.28 | 18.92 | 17.42 | 17.60 | 17.23 | 17.56 | 18.06 | 18.15 | 19.80 | 19.92 | 19.02 | 18.92 | 19.06 | 19.70 |
| バルバドス | 23.72 | 23.22 | 21.04 | 21.14 | 20.75 | 21.18 | 21.79 | 22.39 | 24.18 | 24.42 | 23.29 | 23.27 | 23.33 | 23.73 |
| ベリーズ | 28.41 | 27.20 | 24.75 | 22.63 | 25.02 | 23.71 | 26.87 | 26.77 | 27.56 | 25.61 | 26.18 | 26.75 | 26.15 | 28.65 |
| コロンビア | 26.47 | 25.36 | 21.15 | 19.16 | 20.55 | 18.14 | 18.93 | 18.34 | 17.61 | 17.31 | 17.25 | 16.05 | 14.52 | 14.18 |
| コスタリカ | 20.72 | 21.38 | 20.08 | 17.60 | 19.43 | 17.94 | 18.49 | 17.55 | 17.66 | 16.90 | 17.17 | 15.13 | 13.38 | 14.31 |
| キューバ | 20.92 | 21.40 | 19.36 | 18.91 | 19.67 | 19.63 | 19.91 | 20.76 | 21.40 | 19.75 | 20.13 | 20.92 | 20.34 | 21.24 |
| ドミニカ | 20.48 | 20.02 | 18.40 | 18.43 | 18.07 | 18.60 | 19.05 | 19.28 | 21.02 | 21.03 | 20.17 | 20.31 | 20.04 | 20.67 |
| ドミニカ共和国 | 17.76 | 19.07 | 18.16 | 17.54 | 17.47 | 17.65 | 17.66 | 18.94 | 19.96 | 19.25 | 19.12 | 19.59 | 19.50 | 19.83 |
| エルサルバドル | 33.25 | 32.89 | 27.70 | 23.83 | 27.56 | 24.26 | 25.80 | 23.56 | 23.94 | 22.76 | 22.11 | 21.09 | 18.27 | 20.03 |
| グレナダ | 24.23 | 24.03 | 21.72 | 21.99 | 21.61 | 22.05 | 22.87 | 23.32 | 25.18 | 25.08 | 24.30 | 24.10 | 24.26 | 24.66 |
| グアテマラ | 40.93 | 37.47 | 30.66 | 26.65 | 30.28 | 27.30 | 29.09 | 26.73 | 27.40 | 25.22 | 25.18 | 23.22 | 20.21 | 21.64 |
| ガイアナ | 24.34 | 28.07 | 24.05 | 23.84 | 23.13 | 24.02 | 23.91 | 24.23 | 25.84 | 25.39 | 25.22 | 25.76 | 26.09 | 25.46 |
| ハイチ | 18.96 | 20.24 | 19.21 | 18.83 | 18.89 | 19.06 | 19.40 | 20.76 | 21.51 | 20.53 | 20.71 | 21.55 | 20.94 | 21.35 |
| ホンジュラス | 32.01 | 31.22 | 27.77 | 23.60 | 27.55 | 24.21 | 26.21 | 24.20 | 24.69 | 22.88 | 22.06 | 20.52 | 18.14 | 20.31 |
| ジャマイカ | 15.70 | 15.75 | 15.95 | 15.56 | 14.95 | 15.42 | 15.77 | 16.46 | 16.86 | 15.96 | 16.66 | 16.84 | 17.07 | 17.41 |
| メキシコ | 32.30 | 30.86 | 23.39 | 19.66 | 22.47 | 20.16 | 20.87 | 19.67 | 19.49 | 18.84 | 18.30 | 16.65 | 14.71 | 14.99 |
| ニカラグア | 24.94 | 25.41 | 24.42 | 20.63 | 23.01 | 20.42 | 22.19 | 20.34 | 20.81 | 19.66 | 19.20 | 17.52 | 14.98 | 16.81 |
| パナマ | 18.59 | 19.08 | 17.62 | 15.13 | 15.89 | 14.68 | 15.39 | 14.86 | 14.77 | 13.87 | 13.84 | 13.21 | 11.88 | 11.47 |
| セントクリストファーネイビス | 9.14 | 8.94 | 7.76 | 7.73 | 7.02 | 7.64 | 7.49 | 7.36 | 8.18 | 8.69 | 8.59 | 8.02 | 7.87 | 8.59 |
| セントルシア | 23.27 | 22.97 | 21.00 | 21.05 | 20.61 | 21.05 | 21.82 | 22.26 | 23.97 | 24.08 | 23.08 | 23.27 | 23.07 | 23.76 |
| セントビンセント・グレナディーン | 23.86 | 23.38 | 21.22 | 21.25 | 20.81 | 21.18 | 22.03 | 22.47 | 24.20 | 24.33 | 23.45 | 23.40 | 23.41 | 23.93 |
| スリナム | 29.72 | 32.18 | 25.59 | 24.73 | 23.13 | 26.36 | 25.05 | 25.58 | 27.42 | 27.03 | 26.78 | 29.66 | 29.99 | 27.31 |
| バハマ | 19.10 | 19.58 | 17.99 | 17.43 | 17.64 | 18.04 | 17.72 | 18.54 | 19.13 | 18.50 | 18.36 | 18.58 | 18.57 | 18.94 |
| トリニダード・トバゴ | 24.14 | 24.11 | 21.81 | 22.66 | 22.69 | 22.65 | 23.38 | 24.09 | 26.26 | 25.23 | 25.40 | 24.31 | 25.01 | 25.60 |
| ベネズエラ（ボリバル共和国） | 22.84 | 23.17 | 21.57 | 20.16 | 21.69 | 19.30 | 19.96 | 19.29 | 19.30 | 18.85 | 19.08 | 16.34 | 14.85 | 15.26 |