| 11 | Jamestown, Saint Helena | Africa & Middle East | AQI 18 | PM2.5 3 µg/m³ |
| 20 | Georgetown, Ascension Island | Africa & Middle East | AQI 21 | PM2.5 3.7 µg/m³ |
| 26 | Victoria, Seychelles | Africa & Middle East | AQI 24 | PM2.5 4.4 µg/m³ |
| 33 | Antsiranana, Madagascar | Africa & Middle East | AQI 27 | PM2.5 4.8 µg/m³ |
| 49 | Moroni, Comoros | Africa & Middle East | AQI 30 | PM2.5 5.4 µg/m³ |
| 80 | Saint-Paul, Réunion | Africa & Middle East | AQI 32 | PM2.5 5.6 µg/m³ |
| 81 | Saint-Denis, Réunion | Africa & Middle East | AQI 32 | PM2.5 5.7 µg/m³ |
| 82 | Toliara, Madagascar | Africa & Middle East | AQI 32 | PM2.5 5.7 µg/m³ |
| 86 | Maxixe, Mozambique | Africa & Middle East | AQI 32 | PM2.5 5.9 µg/m³ |
| 99 | Mamoudzou, Mayotte | Africa & Middle East | AQI 33 | PM2.5 6 µg/m³ |
| 167 | Toamasina, Madagascar | Africa & Middle East | AQI 36 | PM2.5 6.6 µg/m³ |
| 188 | Paarl, South Africa | Africa & Middle East | AQI 37 | PM2.5 6.7 µg/m³ |
| 192 | Kismayo, Somalia | Africa & Middle East | AQI 37 | PM2.5 6.8 µg/m³ |
| 214 | Port Louis, Mauritius | Africa & Middle East | AQI 38 | PM2.5 6.9 µg/m³ |
| 231 | George, South Africa | Africa & Middle East | AQI 39 | PM2.5 6.9 µg/m³ |
| 276 | Pemba, Mozambique | Africa & Middle East | AQI 40 | PM2.5 7.4 µg/m³ |
| 277 | Port Elizabeth, South Africa | Africa & Middle East | AQI 40 | PM2.5 7.4 µg/m³ |
| 280 | Merca, Somalia | Africa & Middle East | AQI 40 | PM2.5 7.7 µg/m³ |
| 301 | Nacala, Mozambique | Africa & Middle East | AQI 41 | PM2.5 7.6 µg/m³ |
| 332 | Cape Town, South Africa | Africa & Middle East | AQI 42 | PM2.5 7.8 µg/m³ |
| 334 | Malindi, Kenya | Africa & Middle East | AQI 42 | PM2.5 7.8 µg/m³ |
| 336 | Abudwak, Somalia | Africa & Middle East | AQI 42 | PM2.5 7.9 µg/m³ |
| 337 | East London, South Africa | Africa & Middle East | AQI 42 | PM2.5 7.9 µg/m³ |
| 340 | Mahajanga, Madagascar | Africa & Middle East | AQI 42 | PM2.5 7.9 µg/m³ |
| 343 | Mogadishu, Somalia | Africa & Middle East | AQI 42 | PM2.5 8 µg/m³ |
| 390 | Baidoa, Somalia | Africa & Middle East | AQI 43 | PM2.5 8.2 µg/m³ |
| 423 | Mtwara, Tanzania | Africa & Middle East | AQI 44 | PM2.5 8.2 µg/m³ |
| 430 | Xai-Xai, Mozambique | Africa & Middle East | AQI 44 | PM2.5 8.3 µg/m³ |
| 434 | Fianarantsoa, Madagascar | Africa & Middle East | AQI 44 | PM2.5 8.8 µg/m³ |
| 466 | Windhoek, Namibia | Africa & Middle East | AQI 45 | PM2.5 8.6 µg/m³ |
| 501 | Walvis Bay, Namibia | Africa & Middle East | AQI 46 | PM2.5 8.6 µg/m³ |
| 566 | Mandera, Kenya | Africa & Middle East | AQI 47 | PM2.5 9 µg/m³ |
| 589 | Beira, Mozambique | Africa & Middle East | AQI 47 | PM2.5 9.8 µg/m³ |
| 592 | Quelimane, Mozambique | Africa & Middle East | AQI 47 | PM2.5 10.1 µg/m³ |
| 630 | Zanzibar, Tanzania | Africa & Middle East | AQI 48 | PM2.5 9.5 µg/m³ |
| 655 | Vacoas-Phoenix, Mauritius | Africa & Middle East | AQI 49 | PM2.5 9.3 µg/m³ |
| 679 | Dadaab, Kenya | Africa & Middle East | AQI 49 | PM2.5 9.6 µg/m³ |
| 688 | Kimberley, South Africa | Africa & Middle East | AQI 49 | PM2.5 9.7 µg/m³ |
| 717 | Nampula, Mozambique | Africa & Middle East | AQI 49 | PM2.5 10.3 µg/m³ |
| 719 | Mocuba, Mozambique | Africa & Middle East | AQI 49 | PM2.5 11 µg/m³ |
| 775 | Mombasa, Kenya | Africa & Middle East | AQI 50 | PM2.5 10.1 µg/m³ |
| 808 | Chimoio, Mozambique | Africa & Middle East | AQI 50 | PM2.5 10.8 µg/m³ |
| 909 | Praia, Cape Verde | Africa & Middle East | AQI 51 | PM2.5 10.8 µg/m³ |
| 928 | Al Bayda, Libya | Africa & Middle East | AQI 52 | PM2.5 10.4 µg/m³ |
| 948 | Francistown, Botswana | Africa & Middle East | AQI 52 | PM2.5 10.6 µg/m³ |
| 990 | Degehabur, Ethiopia | Africa & Middle East | AQI 52 | PM2.5 10.8 µg/m³ |
| 1075 | Maputo, Mozambique | Africa & Middle East | AQI 53 | PM2.5 11 µg/m³ |
| 1147 | São Tomé, São Tomé and Príncipe | Africa & Middle East | AQI 53 | PM2.5 11.8 µg/m³ |
| 1148 | Port-Gentil, Gabon | Africa & Middle East | AQI 53 | PM2.5 11.9 µg/m³ |
| 1187 | Tanga, Tanzania | Africa & Middle East | AQI 54 | PM2.5 11.2 µg/m³ |