2017-2025
World's most polluted cities
The most polluted cities according to data aggregated from over 80,000 data points.
2025
World Air Quality Report
2025
World Air Quality Report
| Rank | City | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1004 |  Lievendaal Netherlands | 9.8 | 9.2 | 9 | 8.9 | 9 | -- | -- | -- | -- |
| 1005 |  Porsgrunn Norway | 9.8 | 10.4 | 8.4 | 8.6 | 9 | 7.5 | 7.6 | 7.5 | 7.4 |
| 1006 |  Porto Portugal | 9.8 | 8.1 | 9.5 | 7.1 | 6 | -- | -- | -- | -- |
| 1007 |  Chitila Romania | 9.8 | 12.4 | 17.1 | 27.7 | -- | -- | -- | -- | -- |
| 1008 |  Ziar nad Hronom Slovakia | 9.8 | 10.4 | 10.6 | 12 | 12.7 | 12.3 | 13.3 | 16.6 | 15.5 |
| 1009 |  Beasain Spain | 9.8 | 9.8 | 10.2 | 11.7 | 8.9 | 9.8 | 10.2 | 9.5 | 8.5 |
| 1010 | Igualada Spain | 9.8 | 9.1 | -- | -- | -- | -- | -- | -- | -- |
| 1011 | Logroño Spain | 9.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1012 |  Binningen Switzerland | 9.8 | 7.7 | 8.1 | 9.4 | 9.5 | 10.1 | 10.5 | 10.8 | 9.8 |
| 1013 | Zuerich (Kreis 11) / Seebach Switzerland | 9.8 | 13 | -- | -- | -- | -- | -- | -- | -- |
| 1014 |  Bedford United Kingdom | 9.8 | 6.5 | 6.7 | 9.8 | -- | -- | -- | -- | -- |
| 1015 | Canary Wharf United Kingdom | 9.8 | 8.2 | 8.2 | 9.9 | -- | -- | -- | -- | -- |
| 1016 | Christchurch United Kingdom | 9.8 | 7.9 | 8.6 | 11.1 | 12.5 | 12.5 | 12.8 | 12.2 | -- |
| 1017 | Eccles United Kingdom | 9.8 | 9 | 8.7 | 9.7 | 8.9 | 8.4 | 9.8 | 11 | 10.8 |
| 1018 | Erith United Kingdom | 9.8 | 8 | 8.5 | 10.2 | -- | -- | -- | -- | -- |
| 1019 | Fallowfield United Kingdom | 9.8 | 11.1 | -- | -- | -- | -- | -- | -- | -- |
| 1020 | Harold Wood United Kingdom | 9.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1021 | Liverpool United Kingdom | 9.8 | 10.3 | -- | -- | -- | -- | -- | -- | -- |
| 1022 | Morden United Kingdom | 9.8 | 8.8 | 9.8 | 11.1 | -- | -- | -- | -- | -- |
| 1023 |  Genk Belgium | 9.7 | 10.1 | 10.9 | 11.8 | 13.9 | 11.6 | -- | -- | -- |
| 1024 | Halen Belgium | 9.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1025 | Houthalen Belgium | 9.7 | 9.3 | 12.3 | 11.1 | 12.9 | 10.8 | 10.7 | -- | -- |
| 1026 |  Reims France | 9.7 | 8.5 | 8.3 | 10.9 | 10.8 | 10 | 11.2 | 13.1 | 13.3 |
| 1027 | Gap France | 9.7 | 9.8 | 11.1 | 11.9 | 10 | 9.8 | 10.7 | 11.7 | 11.7 |
| 1028 |  Babstadt Germany | 9.7 | 8.3 | 7.6 | -- | -- | -- | -- | -- | -- |
| 1029 | Spremberg Germany | 9.7 | 9.7 | 9.8 | 10.7 | 12.1 | 10.6 | 12.1 | 16.8 | 15.6 |
| 1030 | Locknitz Germany | 9.7 | 10.4 | 9.4 | 9.4 | 9.2 | 8.4 | 9.7 | -- | -- |
| 1031 | Bonn Germany | 9.7 | 8.6 | 8.7 | 9.6 | 11.3 | -- | -- | -- | -- |
| 1032 |  Merano Italy | 9.7 | 10.3 | 11.7 | 12.2 | 12.9 | 11.8 | 11.9 | -- | -- |
| 1033 |  Kosovo Polje Kosovo | 9.7 | 11.6 | 10.8 | -- | -- | -- | -- | -- | -- |
| 1034 | Obiliq Kosovo | 9.7 | 12.4 | 11.2 | 5.7 | 10.4 | -- | -- | -- | -- |
| 1035 | Badhoevedorp Netherlands | 9.7 | 8.7 | 8.8 | 10.2 | 10.1 | 10.7 | 11.2 | -- | -- |
| 1036 | Spoorwijk Netherlands | 9.7 | 9.6 | -- | -- | -- | -- | -- | -- | -- |
| 1037 |  Bogatynia Poland | 9.7 | 9.7 | 8.1 | -- | -- | -- | -- | -- | -- |
| 1038 | Tavira Portugal | 9.7 | 10.4 | 9.3 | 9.6 | -- | -- | -- | -- | -- |
| 1039 |  Serravalle San Marino | 9.7 | 12.8 | 12.6 | -- | -- | -- | -- | -- | -- |
| 1040 | Amorebieta Spain | 9.7 | 9.6 | 9.4 | -- | -- | -- | -- | -- | -- |
| 1041 | Biberist Switzerland | 9.7 | 7.7 | 6.3 | -- | -- | -- | -- | -- | -- |
| 1042 | Weinfelden Switzerland | 9.7 | 7.5 | -- | -- | -- | -- | -- | -- | -- |
| 1043 |  Chornobyl Ukraine | 9.7 | 10.7 | 8.4 | -- | -- | -- | -- | -- | -- |
| 1044 | Andover United Kingdom | 9.7 | 10.9 | -- | -- | -- | -- | -- | -- | -- |
| 1045 | Broadwater United Kingdom | 9.7 | 10.1 | -- | -- | -- | -- | -- | -- | -- |
| 1046 | Coulsdon United Kingdom | 9.7 | 9.5 | 8 | -- | -- | -- | -- | -- | -- |
| 1047 | Eastleigh United Kingdom | 9.7 | 8.1 | -- | -- | -- | -- | -- | -- | -- |
| 1048 | Harringay United Kingdom | 9.7 | 8.4 | 8.3 | 9.5 | -- | -- | -- | -- | -- |
| 1049 | Manchester United Kingdom | 9.7 | 9 | 9 | 9.3 | 9.1 | 8.1 | 10.5 | 10.8 | 9 |
| 1050 | Rochdale United Kingdom | 9.7 | 8.3 | 8.4 | 10.4 | 10.7 | -- | -- | -- | -- |
| 1051 |  Schwechat Austria | 9.6 | 9.6 | 9 | 10.5 | 11 | 10.9 | 11.6 | 15.2 | 13.4 |
| 1052 | Vienna Austria | 9.6 | 9.7 | 9.1 | 10.5 | 11.8 | 11 | 12.3 | 15.2 | 13 |
| 1053 | Hasselt Belgium | 9.6 | 9.4 | 9.4 | 11.4 | 11.2 | 10 | -- | -- | -- |
