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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1254 |  Gänserndorf Austria | 9 | 9.8 | 8.8 | 9.7 | 9.7 | -- | -- | -- | -- |
| 1255 | Kematen an der Ybbs Austria | 9 | 9.7 | -- | -- | -- | -- | -- | -- | -- |
| 1256 |  Chalon-sur-Saône France | 9 | 8.5 | 8.9 | 9.9 | 9.1 | 8.7 | 10.1 | 11.1 | 10.6 |
| 1257 | Champforgueil France | 9 | 7.2 | 7 | 9.9 | 7.5 | -- | -- | -- | -- |
| 1258 | Thionville France | 9 | 7.5 | 8.7 | 8.2 | 7 | 7.3 | 8.6 | 10.6 | 12.2 |
| 1259 | Martigues France | 9 | 7.3 | 8.7 | 10.6 | -- | -- | -- | -- | -- |
| 1260 |  Wangen im Allgau Germany | 9 | 7.5 | 8.8 | 11.4 | -- | -- | -- | -- | -- |
| 1261 | Alling Germany | 9 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1262 | Kempten (Allgau) Germany | 9 | 7.8 | 8.6 | 8.8 | 8.6 | 8.6 | 8.9 | 10.8 | 9.8 |
| 1263 | Oberhausen Germany | 9 | 8.4 | 8.2 | -- | -- | -- | -- | -- | -- |
| 1264 | Weissenburg in Bayern Germany | 9 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1265 | Luckenwalde Germany | 9 | 8.9 | 9.3 | 11 | 11.9 | 10.5 | 11.5 | -- | -- |
| 1266 | Marburg Germany | 9 | 8.3 | 7.6 | 8 | 9.2 | 8.9 | 10.2 | -- | -- |
| 1267 | Marburg an der Lahn Germany | 9 | 8.3 | -- | -- | -- | -- | -- | -- | -- |
| 1268 | Stralsund Germany | 9 | 8.7 | 7.9 | 9 | 9.6 | 9.3 | 11.1 | -- | -- |
| 1269 | Bottrop Germany | 9 | 10.1 | 8.7 | 12.5 | 12.5 | 11.5 | -- | -- | -- |
| 1270 | Diez Germany | 9 | 7.6 | -- | -- | -- | -- | -- | -- | -- |
| 1271 | Brunsbüttel Germany | 9 | 9.1 | 11 | -- | -- | -- | -- | -- | -- |
| 1272 |  Crotone Italy | 9 | 9.6 | 9 | -- | -- | -- | -- | -- | -- |
| 1273 |  Barneveld Netherlands | 9 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1274 | IJmuiden Netherlands | 9 | 8.8 | 9 | 10.1 | 9.1 | 8.7 | 9.8 | 9.8 | 8.1 |
| 1275 | Vianen Netherlands | 9 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1276 |  Moscow Russia | 9 | 10 | 10.4 | 10.8 | 11.9 | 10.5 | 10 | 10.1 | 8.4 |
| 1277 |  Langreo Spain | 9 | 9.1 | 9.5 | 10.3 | 9.5 | 10.6 | 12.4 | 12.1 | 16.5 |
| 1278 | Ciutadella de Menorca Spain | 9 | 9.6 | 17.9 | -- | -- | -- | -- | -- | -- |
| 1279 | Pozuelo de Alarcon Spain | 9 | 10.4 | 8.1 | -- | -- | -- | -- | -- | -- |
| 1280 |  Birmenstorf Switzerland | 9 | 7.5 | -- | -- | -- | -- | -- | -- | -- |
| 1281 | Solothurn Switzerland | 9 | 7.5 | 7.8 | -- | -- | -- | -- | -- | -- |
| 1282 | Pully Switzerland | 9 | 7.6 | 9.4 | 14.2 | -- | -- | -- | -- | -- |
| 1283 |  Khotiv Ukraine | 9 | 9.2 | 9.7 | 8 | -- | -- | -- | -- | -- |
| 1284 |  Bayswater United Kingdom | 9 | 10.4 | 8.6 | 9.2 | -- | -- | -- | -- | -- |
| 1285 | Bray United Kingdom | 9 | 9.1 | -- | -- | -- | -- | -- | -- | -- |
| 1286 | Harefield United Kingdom | 9 | 6.1 | 6.4 | -- | -- | -- | -- | -- | -- |
| 1287 | Hayes United Kingdom | 9 | 7.6 | 8.9 | 11 | -- | -- | -- | -- | -- |
| 1288 | Speke United Kingdom | 9 | 7.6 | 6.1 | 6.2 | 5.4 | -- | 9.7 | 8.8 | 8.9 |
| 1289 | Wiener Neustadt Austria | 8.9 | 10.4 | 8.8 | 10.3 | 9.7 | -- | -- | -- | -- |
| 1290 |  Flemalle-Haute Belgium | 8.9 | 7.9 | -- | -- | -- | -- | -- | -- | -- |
| 1291 | Herstal Belgium | 8.9 | 6.7 | 6.8 | 8 | 8.8 | 7.1 | 10.4 | 11 | 10.1 |
| 1292 | Rixensart Belgium | 8.9 | 8.8 | 5.9 | -- | -- | -- | -- | -- | -- |
| 1293 |  Pelhřimov Czech Republic | 8.9 | 9.2 | 8.9 | 11.5 | 10.1 | -- | -- | -- | -- |
| 1294 | La Talaudiere France | 8.9 | 25.2 | 8.9 | 10.7 | 14.2 | -- | -- | -- | -- |
| 1295 | Sallanches France | 8.9 | 10.3 | -- | -- | -- | -- | -- | -- | -- |
| 1296 | Seremange-Erzange France | 8.9 | 8.1 | 9.5 | 12.4 | 13.3 | -- | 14 | -- | -- |
| 1297 | Angers France | 8.9 | 7.4 | 9.3 | 8.8 | 9.7 | 8.8 | 9.4 | 9.9 | 11.2 |
| 1298 | Nice France | 8.9 | 8.3 | 8.9 | 10.2 | 9.5 | 9.2 | 11.1 | 12.5 | 13.9 |
| 1299 | Ulm Germany | 8.9 | 8.2 | 8.6 | 10.8 | 10.4 | 9.4 | 10.6 | 12.1 | 12 |
| 1300 | Buckow Germany | 8.9 | 9.9 | 8 | 8.9 | 10.9 | 9.8 | 11.6 | 13.7 | 12.9 |
| 1301 | Dallgow-Doeberitz Germany | 8.9 | 8.9 | 8.5 | 9.8 | 9.7 | 9.3 | 10 | -- | -- |
| 1302 | Bayenthal Germany | 8.9 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1303 | Munster Germany | 8.9 | 9.5 | -- | -- | -- | -- | -- | -- | -- |
