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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2060 |  Bailen Spain | 12.7 | 13.9 | -- | -- | -- | -- | -- | -- | -- |
| 2061 |  Sattahip Thailand | 12.7 | 13.3 | 17.3 | -- | -- | -- | -- | -- | -- |
| 2062 | Thap Tai Thailand | 12.7 | 24.4 | 19.9 | -- | -- | -- | -- | -- | -- |
| 2063 |  Giresun Turkey | 12.7 | 11.7 | 12.5 | 14.3 | 23.7 | 21.3 | 21.9 | 14 | -- |
| 2064 | Kirikkale Turkey | 12.7 | 10.9 | 11.7 | 15 | 19.6 | 15.3 | 17.5 | -- | -- |
| 2065 |  Dundrum United Kingdom | 12.7 | 8.3 | 8.3 | 9.2 | -- | -- | -- | -- | -- |
| 2066 |  Burbank USA | 12.7 | 10.4 | 11.2 | 12.3 | 14.8 | 17.4 | 15.5 | -- | -- |
| 2067 | North El Monte USA | 12.7 | 15.4 | 14.4 | 14.3 | 15.6 | -- | -- | -- | -- |
| 2068 | Ontario USA | 12.7 | 14.3 | 13.4 | 15.1 | 18.8 | 17.6 | 16 | -- | -- |
| 2069 |  Geghard Armenia | 12.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2070 |  Enns Austria | 12.6 | 11.5 | 13.6 | 11.9 | 10.2 | 8.9 | 11.6 | 16.8 | 13.8 |
| 2071 |  Zlín Czech Republic | 12.6 | 13.8 | 12.7 | 15.7 | 14.7 | 13 | 16.5 | 21.7 | 21.3 |
| 2072 |  Acharnes Greece | 12.6 | 13.1 | 18.9 | 21.6 | 19.5 | -- | -- | -- | -- |
| 2073 |  Pederobba Italy | 12.6 | 10.9 | -- | -- | -- | -- | -- | -- | -- |
| 2074 |  Nistelrode Netherlands | 12.6 | 9.6 | -- | -- | -- | -- | -- | -- | -- |
| 2075 | Capelle aan den IJssel Netherlands | 12.6 | 11.6 | 11.6 | 12.7 | 13.4 | 11.3 | -- | -- | -- |
| 2076 |  Lumina Romania | 12.6 | 11.1 | -- | -- | -- | -- | -- | -- | -- |
| 2077 |  Gangneung South Korea | 12.6 | 12.5 | 13.6 | 13.8 | 11 | -- | 19.5 | 19.8 | 24.6 |
| 2078 | Yeosu South Korea | 12.6 | 12 | 13.7 | 16.3 | 13.5 | 15 | 17.9 | 17.4 | 19.3 |
| 2079 | Borriana Spain | 12.6 | 8 | 7.3 | 5.3 | 5.1 | 4.8 | 5.1 | 5.4 | 6.7 |
| 2080 | Tha Sala Thailand | 12.6 | 15.7 | 36.9 | -- | -- | -- | -- | -- | -- |
| 2081 | San Gabriel USA | 12.6 | 13 | 13.5 | 13.4 | 16.3 | 17.3 | 14.2 | -- | -- |
| 2082 |  Algiers Algeria | 12.5 | 15.4 | 13.8 | 17.8 | 20 | 20.2 | 21.2 | -- | -- |
| 2083 |  Bauru Brazil | 12.5 | 16.8 | -- | -- | -- | -- | -- | -- | -- |
| 2084 |  Fort Mckay Canada | 12.5 | 12.2 | 23.8 | 6.3 | 5.6 | -- | -- | -- | -- |
| 2085 |  Girardota Colombia | 12.5 | 17.7 | 13.5 | -- | -- | -- | -- | -- | -- |
| 2086 | Rožďalovice Czech Republic | 12.5 | 12.2 | 11.6 | 12.7 | 13.4 | 13.6 | 13 | 19.2 | 18.6 |
| 2087 | Usti nad Labem Czech Republic | 12.5 | 11.7 | 11.3 | 13.8 | 12.9 | 12 | 14.1 | 18.3 | 17 |
| 2088 |  Juvignac France | 12.5 | 13.4 | 9.7 | -- | -- | -- | -- | -- | -- |
| 2089 |  Lohmen Germany | 12.5 | 12 | 12.6 | -- | -- | -- | -- | -- | -- |
| 2090 |  Labuan Bajo Indonesia | 12.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2091 |  Niihama Japan | 12.5 | 11.4 | 13.1 | 13 | 12.3 | 13.2 | 13.9 | 14.8 | 14.7 |
| 2092 |  Lousa Portugal | 12.5 | 16.4 | -- | -- | -- | -- | -- | -- | -- |
| 2093 | Sacheon South Korea | 12.5 | 10.2 | 12.4 | 16.4 | 14.5 | -- | 17.8 | 16.4 | 17.7 |
| 2094 |  Hitzkirch Switzerland | 12.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2095 | Stadt Winterthur (Kreis 1) / Altstadt Switzerland | 12.5 | 18.1 | -- | -- | -- | -- | -- | -- | -- |
| 2096 | Mu Si Thailand | 12.5 | 16.3 | 19.3 | 15.2 | -- | -- | -- | -- | -- |
| 2097 |  Mali Dmytrovychi Ukraine | 12.5 | 13.1 | 16.5 | -- | -- | -- | -- | -- | -- |
| 2098 | Exeter USA | 12.5 | 12.7 | 12.7 | 14.8 | 22.1 | -- | -- | -- | -- |
| 2099 | Westmont USA | 12.5 | 14 | -- | -- | -- | -- | -- | -- | -- |
| 2100 | Montgomery County USA | 12.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2101 | Kirchstetten Austria | 12.4 | 11.6 | 12.9 | -- | -- | -- | -- | -- | -- |
| 2102 | Lenzing Austria | 12.4 | 10.5 | 10.6 | 9.2 | 9.1 | 9.7 | -- | -- | -- |
| 2103 |  Blagoevgrad Bulgaria | 12.4 | 11.8 | 14.9 | 17.4 | 11.2 | -- | -- | -- | -- |
| 2104 | Estevan Canada | 12.4 | 9.5 | 5.5 | 6.6 | 8.5 | -- | -- | -- | -- |
| 2105 | Yorkton Canada | 12.4 | 9.9 | 8 | 5.8 | 13.2 | -- | -- | -- | -- |
| 2106 | Guacheta Colombia | 12.4 | 16.1 | -- | -- | -- | -- | -- | -- | -- |
| 2107 |  Paralimni Cyprus | 12.4 | 12.7 | 14.8 | 17.3 | 15.9 | 14.3 | 15.9 | 18.4 | -- |
| 2108 | Strakonice Czech Republic | 12.4 | 16.2 | -- | -- | -- | -- | -- | -- | -- |
| 2109 | Neu-Ulm Germany | 12.4 | 9.4 | 9.2 | 10.5 | 10.1 | 10 | 10.6 | 13.2 | 12.5 |
