2017-2024
World's most polluted cities
The most polluted cities according to data aggregated from over 80,000 data points.
2024
World Air Quality Report
2024
World Air Quality Report
PM2.5 legend
0-5Meets WHO guideline
5.1-10Exceeds by 1 to 2 times
10.1-15Exceeds by 2 to 3 times
15.1-25Exceeds by 3 to 5 times
25-35Exceeds by 5 to 7 times
35.1-50Exceeds by 7 to 10 times
>50.1Exceeds by over 10 times
| Rank | City | 2024 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  N'Djamena, Chad | 91.8 | 192.8 | 126.9 | 167.3 | 160.8 | 138.9 | 54.2 | 20.6 | 20 | 24.9 | 40.4 | 70.6 | 102.1 | 56.9 | 89.7 | 77.6 | -- | -- | -- | -- |
| 2 |  Kinshasa, Democratic Republic of the Congo | 58.2 | 34.6 | 33.9 | 33 | 23.5 | 68 | 93.4 | 96.5 | 83.6 | 62.9 | 61.9 | 53.1 | 45.7 | 40.8 | 15.5 | 44.6 | -- | 32.1 | -- | -- |
| 3 |  Akasia, South Africa | 56.5 | 10.7 | -- | -- | 19.6 | 36.9 | 46.4 | 37.7 | 61.4 | 90.5 | 60.3 | 69.4 | 85.5 | -- | -- | -- | -- | -- | -- | -- |
| 4 |  Abuja, Nigeria | 42.2 | 109.7 | 116.4 | 34.5 | 24.2 | 23.6 | 20.8 | 23 | 21 | 19.2 | 20.3 | 42.5 | 53.6 | 45.4 | 46.5 | 27.3 | -- | -- | -- | -- |
| 5 |  Kampala, Uganda | 41 | 55.9 | 38.8 | 23.7 | 19.5 | 22.7 | 45 | 55.7 | 47.1 | 47.1 | 44.9 | 37.4 | 53.9 | 27.3 | 39.6 | 27.6 | 26.1 | 29.1 | 40.8 | 54.3 |
| 6 |  Kigali, Rwanda | 40.8 | 62.6 | 45.6 | 36.3 | 27 | 29.7 | 42.6 | 60 | 53 | 38.4 | 31 | 26.9 | 35.7 | 36.8 | 44 | 43.1 | -- | -- | -- | -- |
| 7 |  Basse Santa Su, Gambia | 40.5 | 86.3 | 72.9 | 57.9 | 62.7 | 39.5 | 26 | 12.4 | 13 | 9.4 | 24.7 | 47.6 | 48.3 | 34.6 | -- | -- | -- | -- | -- | -- |
| 8 |  Bujumbura, Burundi | 40.3 | 50.6 | 35.2 | 28.2 | 20.1 | 28.2 | 42 | 71.7 | 66.6 | 48.8 | 32.9 | 26.3 | 25.4 | 26.3 | -- | -- | -- | -- | -- | -- |
| 9 |  Cairo, Egypt | 39.9 | 67.5 | 37.6 | 31.4 | 28.1 | 33.8 | 33.4 | 33.3 | 32.1 | 31.2 | 33.5 | 49.4 | 67.3 | 42.4 | 47.4 | -- | -- | -- | -- | -- |
| 10 |  Kumasi, Ghana | 39.6 | 100.7 | 110.4 | 29.6 | 25.3 | 24 | 21.3 | 27.4 | 22.3 | 20.8 | 18.1 | 23.7 | 35.5 | 36.4 | -- | -- | -- | -- | -- | -- |
| 11 | Serrekunda, Gambia | 38.4 | 64.1 | 67.2 | 41.7 | 47 | 30.8 | 28.4 | 18.4 | 18.6 | 17 | 34.5 | 45.4 | 52.9 | -- | -- | -- | -- | -- | -- | -- |
| 12 | Centurion, South Africa | 37 | 15 | 13 | 24.1 | 37 | 43.3 | 28.1 | 31.5 | 31.6 | 14.8 | 88.1 | 92 | 12 | 25.5 | -- | -- | -- | -- | -- | -- |
| 13 |  Yaounde, Cameroon | 36.3 | 76.7 | 87.9 | 40.2 | 24.9 | 26.5 | 28.3 | 19.5 | 22.6 | 15 | 18.5 | 30.8 | 57.8 | 41.1 | -- | -- | -- | -- | -- | -- |
| 14 | Accra, Ghana | 36.3 | 72.4 | 93.9 | 25.3 | 19.2 | 18.4 | 23 | 29.8 | 22.6 | 17.6 | 14.3 | 30.4 | 71 | 33.2 | 30.1 | 25.9 | 26.9 | 30.3 | -- | -- |
| 15 | Brikama, Gambia | 34.9 | 43.5 | 62.7 | 41.1 | 41.2 | 27 | 21.5 | 15.2 | 14.5 | 13.3 | 31.2 | 43.3 | 64.4 | 33.1 | 24.1 | -- | -- | -- | -- | -- |
| 16 | Vereeniging, South Africa | 34 | 20.5 | 22.2 | 23.5 | 28.2 | 57.5 | 54 | 55.7 | 44.8 | 31.6 | 28.4 | 20.7 | 18 | 32.4 | 24.7 | 26.6 | 26.5 | 30 | -- | -- |
| 17 | Benin City, Nigeria | 33.4 | 60.9 | 65.5 | 24 | 17.4 | 22.3 | 17.8 | 20.5 | 18.5 | 17.4 | 20.1 | 33.2 | 58.3 | 28.6 | 38.1 | 29.7 | -- | -- | -- | -- |
| 18 | Gunjur, Gambia | 33.2 | 63.9 | 63.6 | 41.2 | 47.3 | 33 | 24.6 | 13.5 | 13 | 12 | 18 | 34.6 | 47.6 | 37.2 | -- | -- | -- | -- | -- | -- |
| 19 | Bakau, Gambia | 33 | 56.1 | 70.2 | 43.8 | 47.7 | 27.2 | 24.3 | 12.8 | 10.4 | 11.5 | 19.5 | 28.1 | 47.5 | 26.1 | -- | -- | -- | -- | -- | -- |
| 20 | Olifantsfontein, South Africa | 32.4 | 17.3 | 15.5 | 14.5 | 23.8 | 42.5 | 54.7 | 55.5 | 38.1 | 26.3 | -- | -- | -- | 32.7 | -- | -- | -- | -- | -- | -- |
| 21 | Keneba, Gambia | 32 | 58.7 | 64 | 52 | 45.4 | 31.1 | 24 | 11.2 | 7.1 | 8.4 | 20 | 26.5 | 37.7 | 25.1 | -- | -- | -- | -- | -- | -- |
| 22 | Victoria Island, Nigeria | 31.6 | 77 | 71.2 | 15.3 | 8.9 | 13.8 | 17 | -- | 14.8 | 10.9 | 12.8 | 27.3 | 59.5 | -- | -- | -- | -- | -- | -- | -- |
| 23 | Brits, South Africa | 31.6 | 18.7 | 16.5 | 15.4 | 20.9 | 52 | 68.2 | 62.4 | 39.3 | 29.4 | 18.9 | 13.2 | 14.2 | 33.6 | 28.7 | 21.7 | -- | -- | -- | -- |
| 24 | New Cairo, Egypt | 31.4 | 50.6 | 29.5 | 24.3 | 28.4 | 27.7 | 25 | 32.3 | 30.5 | 25.9 | 27.5 | 36.4 | 39.9 | 37.6 | 27.7 | 29.1 | -- | 18 | -- | -- |
| 25 | Sukuta, Gambia | 31.3 | 59.8 | 59.2 | 37.9 | 43.3 | 25.2 | 20.2 | 12.4 | 9.6 | 10.9 | 21.3 | 30.1 | 53.8 | 31.7 | -- | -- | -- | -- | -- | -- |
| 26 | Leandra, South Africa | 31.1 | -- | 20.4 | 18.1 | 22.6 | 38.8 | 50.5 | 47.4 | 39.1 | 35.2 | 22 | 20.1 | 13.8 | 2.3 | -- | -- | -- | -- | -- | -- |
| 27 | Emalahleni, South Africa | 30.9 | 16.7 | 10.8 | -- | 30.5 | 50.3 | 46.7 | 44 | 38 | 24.2 | 21.9 | 29.9 | 14 | 21.1 | 24.3 | -- | -- | -- | -- | -- |
| 28 | Bloemfontein, South Africa | 30.6 | 9 | 19.7 | 24.9 | 29 | 96.1 | 62.2 | 40.2 | 31.9 | 20.1 | 17.4 | 8.1 | 7.7 | 49.4 | 16.2 | 42.2 | 17.2 | 42.3 | -- | -- |
| 29 | Vanderbijlpark, South Africa | 30.2 | 13.3 | 15.8 | 18.1 | 26.4 | 58.8 | 54 | 46.5 | 42.1 | 30.6 | 16.9 | 16.6 | 16.3 | 23.6 | 29.5 | 32.9 | -- | 34.7 | -- | -- |
| 30 |  Zliten, Libya | 30 | 38.9 | 33.5 | 46 | 36.2 | 36.4 | 28.7 | 20.5 | 17 | 20.7 | 22.7 | 30.9 | 25.3 | 30.8 | -- | -- | -- | -- | -- | -- |
| 31 |  Busia, Kenya | 29 | 55.3 | 31.7 | 24.2 | 16.2 | 16.7 | 31.9 | 40.4 | 37.3 | 24.7 | 24.1 | 21.7 | 29.6 | 28 | -- | -- | -- | -- | -- | -- |
| 32 | Masaka, Uganda | 27.6 | 51 | 30.8 | 15 | 8.9 | 15.2 | 30.1 | 42.4 | 36.8 | 31.5 | 22.6 | 19.7 | 27.5 | 26.3 | -- | -- | -- | -- | -- | -- |
| 33 | Cape Coast, Ghana | 27 | 46.3 | 51 | 22.1 | 17.1 | 19 | 19.4 | 27.1 | 24.4 | 22.1 | 15.4 | 28.4 | 52.4 | 21.4 | 38.2 | 54.2 | -- | -- | -- | -- |
| 34 | Benghazi, Libya | 26.8 | 26.6 | 30.7 | 25 | 34 | 28.4 | 27.6 | 20.5 | 21.2 | 22.7 | 26.4 | 29.6 | 26.1 | 30.4 | -- | -- | -- | -- | -- | -- |
| 35 | eMbalenhle, South Africa | 26.7 | 14.5 | 17.9 | 17.1 | 20.4 | 41 | 47.1 | 48.1 | 40 | 24.9 | 19.8 | 15.6 | 12.4 | 16.5 | 17.4 | 17.1 | 15.6 | 30 | -- | -- |
| 36 | Homa Bay, Kenya | 26.4 | 46.9 | 28.3 | 20.9 | 14.3 | 16.3 | 28.9 | 39.2 | 30.3 | 24 | 20.5 | 19.8 | 22.7 | 23.7 | -- | -- | -- | -- | -- | -- |
| 37 | Orkney, South Africa | 26.2 | 14.2 | 17.5 | 18.9 | 23.1 | 37.3 | 53 | 47.8 | 40 | 25.6 | 23.4 | 13 | 11.3 | 13.6 | 4.3 | -- | -- | -- | -- | -- |
| 38 |  Lome, Togo | 26 | 55.4 | 71.4 | 20.9 | 16.3 | 15.6 | 10.1 | 7.8 | 7.8 | 7.8 | 7.8 | 12.1 | 76.3 | 16.3 | 13.6 | 27.2 | -- | -- | -- | -- |
| 39 |  Ndola, Zambia | 25.1 | 11.1 | 10.6 | 13.7 | 12.2 | 21.7 | 27.3 | 74.4 | 55.2 | 36.9 | 25.9 | 15 | 10.5 | 32.3 | -- | -- | -- | -- | -- | -- |
| 40 | Tarkwa, Ghana | 24.9 | -- | -- | 35.7 | 25.9 | 21.3 | 18.5 | 21.4 | 16.7 | 15 | 12.1 | 29.1 | 61 | -- | -- | -- | -- | -- | -- | -- |
| 41 |  Harare, Zimbabwe | 24.8 | 11.7 | 14.3 | 12.8 | 15.1 | -- | 12 | 43.6 | 39.8 | 37.7 | 35.5 | 18.7 | 18.2 | 33.3 | 9.1 | 24.7 | -- | -- | -- | -- |
| 42 | Sebokeng, South Africa | 24.7 | 20.7 | 18 | 18.1 | 21.1 | 40.8 | 43.4 | 30.6 | 27.5 | 22 | 19.8 | 15.6 | 13.8 | 28.3 | 26.7 | 29.7 | 29.5 | 32.7 | -- | -- |
| 43 |  Abidjan, Ivory Coast | 24.6 | 34 | 37.3 | 17.4 | 19.5 | 54.9 | 20.8 | 20 | 15 | 11.6 | 10.5 | 18.6 | 42 | 16.6 | 22.5 | 26.5 | 21.9 | -- | -- | -- |
| 44 | Bluff, South Africa | 24.6 | -- | -- | 10.2 | 15.1 | 25.4 | 36.7 | 45.4 | 34.5 | 17.3 | 23.8 | 19.4 | 23.9 | 21.9 | -- | -- | -- | -- | -- | -- |
| 45 | Byakabanda, Uganda | 24.2 | -- | 24.4 | 17.8 | 12.4 | 18.6 | 32.8 | 48.6 | 46.1 | 23.2 | 17.7 | 14.9 | 20.4 | 21.5 | -- | -- | -- | -- | -- | -- |
| 46 | Johannesburg, South Africa | 24 | 16.9 | 16.3 | 15.6 | 19.4 | 41.2 | 50.1 | 36.9 | 31.5 | 22.9 | 15.7 | 12.2 | 9 | 18.7 | 21.7 | 27.3 | 22.3 | 25.3 | -- | -- |
| 47 | Douala, Cameroon | 23.5 | 46.9 | 47.9 | 25.8 | 16.1 | 16.5 | 16.9 | 16.8 | 13.1 | 8.4 | 11.1 | 17 | 42.3 | 24 | 40.3 | -- | -- | -- | -- | -- |
| 48 | Khuma, South Africa | 22.6 | 10.2 | 15.8 | 19.3 | 14.8 | 32.6 | 50.9 | 35 | 24.4 | 18.6 | 16.2 | 11.3 | 9.2 | 20.4 | 8.7 | -- | -- | -- | -- | -- |
| 49 |  Dakar, Senegal | 22.3 | 36.6 | 42 | 21.4 | 21 | 14.9 | 14.7 | 13 | 10.2 | 13.7 | 18.7 | 18.3 | 43.7 | 28.2 | 20.4 | 14.6 | -- | -- | -- | -- |
| 50 |  Addis Ababa, Ethiopia | 22.2 | 22 | 17.2 | 16.5 | 22.6 | 23.4 | 31.4 | 27.1 | 22.7 | 32.6 | 17 | 15.8 | 17.5 | 27 | 31.3 | 23.9 | 14.7 | 20.1 | 27.1 | 26.9 |
