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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2260 |  La Sarraz Switzerland | 11.8 | 9.3 | 10.9 | -- | -- | -- | -- | -- | -- |
| 2261 |  Penghu Taiwan | 11.8 | 10.8 | 11.9 | 10.9 | 13.7 | 12.3 | 13.1 | 14.3 | 15.7 |
| 2262 |  Kathu Thailand | 11.8 | 12.6 | 8.5 | 8.8 | 10.9 | 11.8 | -- | -- | -- |
| 2263 |  Earlsfield United Kingdom | 11.8 | 9.2 | 10.2 | 11.4 | -- | -- | -- | -- | -- |
| 2264 |  Kentwood USA | 11.8 | 9.3 | -- | -- | -- | -- | -- | -- | -- |
| 2265 |  Sidzhak Uzbekistan | 11.8 | 9.3 | -- | -- | -- | -- | -- | -- | -- |
| 2266 |  Wolfsberg Austria | 11.7 | 12.7 | 12.7 | 13.1 | 13 | 12.8 | 13.9 | -- | -- |
| 2267 | Klosterneuburg Austria | 11.7 | 10.7 | 9.9 | 9.1 | 12.8 | -- | -- | -- | -- |
| 2268 | Berndorf Austria | 11.7 | 10 | 10.4 | -- | -- | -- | -- | -- | -- |
| 2269 | Wels Austria | 11.7 | 9.6 | 8.2 | 10.5 | 10.9 | 11.1 | 12.2 | 15.3 | 13.5 |
| 2270 |  Salmo Canada | 11.7 | 18.5 | -- | -- | -- | -- | -- | -- | -- |
| 2271 |  Diqingzhou China | 11.7 | 13.2 | 14.2 | 13.1 | 15.3 | 13.5 | 12 | 11.4 | 11.4 |
| 2272 |  Pyrgos Cyprus | 11.7 | 11.9 | -- | -- | -- | -- | -- | -- | -- |
| 2273 |  Hodonín Czech Republic | 11.7 | 13.3 | 15.6 | 11.8 | 9.9 | -- | 14.8 | 16.6 | 17.8 |
| 2274 | Kadaň Czech Republic | 11.7 | 10.9 | 10.3 | 11.5 | 11.9 | 11.2 | 12.8 | 18.8 | 14.8 |
| 2275 |  Béthune France | 11.7 | 7.2 | 10.7 | 12.4 | 11.6 | 10.3 | 11.4 | 13.9 | 13.4 |
| 2276 | Palaiseau France | 11.7 | 20.3 | -- | -- | -- | -- | -- | -- | -- |
| 2277 | Flers France | 11.7 | 14.3 | -- | -- | -- | -- | -- | -- | -- |
| 2278 |  Ratingen Germany | 11.7 | 8.7 | 8.1 | 10.3 | 10.3 | -- | -- | -- | -- |
| 2279 | Worms Germany | 11.7 | 10.8 | 9.8 | 11.9 | 11.3 | 10.9 | 11.9 | 13.1 | 13.7 |
| 2280 |  Papa Hungary | 11.7 | 11.4 | -- | -- | -- | -- | -- | -- | -- |
| 2281 | Komárno Hungary | 11.7 | 14.3 | 12.9 | -- | -- | -- | -- | -- | -- |
| 2282 |  Ako Japan | 11.7 | 8.5 | 9.2 | 9.4 | 8.7 | 8 | 10.1 | 10.5 | 10.7 |
| 2283 | Koshienurakazecho Japan | 11.7 | 9.6 | -- | -- | -- | -- | -- | -- | -- |
| 2284 | Naruocho Japan | 11.7 | 9.6 | 9 | -- | -- | -- | -- | -- | -- |
| 2285 | Sanuki Japan | 11.7 | 8.7 | 9.8 | 9.7 | 8.6 | -- | -- | -- | -- |
| 2286 | Arao Japan | 11.7 | 11.6 | 11.3 | 11.5 | 12.5 | 12 | 14 | 15.2 | 15.4 |
| 2287 | Tamana Japan | 11.7 | 11.3 | 12.5 | 14 | 12.9 | 13.3 | 13.4 | -- | -- |
| 2288 | Uto Japan | 11.7 | 11.3 | 12.4 | 12.9 | 12 | 15.2 | 15.2 | 13.2 | 14.7 |
| 2289 | Okayama Japan | 11.7 | 9.4 | 11 | 10.7 | 10.2 | 11.6 | 13.2 | 13.9 | 14.3 |
| 2290 | Gyoda Japan | 11.7 | 11 | 12.3 | 10.8 | 10.8 | 11 | 12.1 | -- | -- |
| 2291 | Ichiriyamacho Japan | 11.7 | 11 | -- | -- | -- | -- | -- | -- | -- |
| 2292 |  Muang Khamkeut Laos | 11.7 | 20.9 | -- | -- | -- | -- | -- | -- | -- |
| 2293 |  Ingija Serbia | 11.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2294 |  Ljubljana Slovenia | 11.7 | 15.6 | 15.9 | 16.2 | 18.8 | -- | -- | -- | -- |
| 2295 |  Muju South Korea | 11.7 | 11.1 | -- | -- | -- | -- | -- | -- | -- |
| 2296 |  Santa Perpetua de Mogoda Spain | 11.7 | 24.1 | -- | -- | -- | -- | -- | -- | -- |
| 2297 | Miaoli Taiwan | 11.7 | 12.6 | -- | -- | -- | -- | -- | -- | -- |
| 2298 | Feltham United Kingdom | 11.7 | 11.7 | 12.7 | -- | -- | -- | -- | -- | -- |
| 2299 | Inglewood USA | 11.7 | 9.2 | 7.7 | 12.2 | 15 | -- | -- | -- | -- |
| 2300 | Portola USA | 11.7 | 12.5 | 7.1 | 7.6 | 22.1 | 21.3 | 16.9 | 20.4 | 19.1 |
| 2301 | Douglas USA | 11.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2302 | Vöcklabruck Austria | 11.6 | 9.2 | 10.1 | -- | -- | -- | -- | -- | -- |
| 2303 |  Piracicaba Brazil | 11.6 | 14.8 | 11.8 | 11.6 | 13.3 | 13.7 | 13.4 | 13.6 | 12.5 |
| 2304 |  Santa Rosa Costa Rica | 11.6 | 6.2 | -- | -- | -- | -- | -- | -- | -- |
| 2305 | Pyla Cyprus | 11.6 | 9.7 | -- | -- | -- | -- | -- | -- | -- |
| 2306 | Kutná Hora Czech Republic | 11.6 | 12 | 10.8 | 13 | 16 | -- | 12 | -- | -- |
| 2307 | Srubec Czech Republic | 11.6 | 11.3 | 11 | 13.1 | 5.4 | -- | 8.1 | -- | -- |
| 2308 | Nemcicky Czech Republic | 11.6 | 10.1 | -- | -- | -- | -- | -- | -- | -- |
| 2309 | Wissen Germany | 11.6 | 14.4 | -- | -- | -- | -- | -- | -- | -- |
