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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3165 |  Tomioka Japan | 9.8 | 8.2 | 8.7 | 8.2 | 8.3 | 8.6 | 9.6 | 10.2 | 9 |
| 3166 | Kawanishi Japan | 9.8 | 7.8 | 8.6 | 8.3 | 8.1 | 8.5 | 8.7 | 10.2 | 13.6 |
| 3167 | Tsutogawacho Japan | 9.8 | 7.9 | 7.9 | -- | -- | -- | -- | -- | -- |
| 3168 | Isago Japan | 9.8 | 9.6 | -- | -- | -- | -- | -- | -- | -- |
| 3169 | Miyayama Japan | 9.8 | 9 | -- | -- | -- | -- | -- | -- | -- |
| 3170 | Kochi Japan | 9.8 | 9.3 | 10.4 | 10.5 | 10.5 | 11 | 11.2 | 11.2 | 12.8 |
| 3171 | Aso Japan | 9.8 | 7.6 | 9.1 | 9.8 | 8.8 | 10.5 | 11.5 | 10.6 | 11.6 |
| 3172 | Fukuchiyama Japan | 9.8 | 8.3 | 8.9 | 8 | 8.1 | 8.5 | 9.8 | 10.4 | 10.6 |
| 3173 | Minamiyamashiro Japan | 9.8 | 7.4 | 8.4 | 8.5 | 8.3 | 8.4 | 10 | 10.4 | 11.1 |
| 3174 | Nobeoka Japan | 9.8 | 9.4 | 9.9 | 10.2 | 9.3 | 10.7 | 9.8 | 11.5 | 14 |
| 3175 | Matsuura Japan | 9.8 | 9.8 | 10.3 | 9.7 | 10.5 | 11.8 | 11.8 | -- | -- |
| 3176 | Itoigawa Japan | 9.8 | 8.4 | 8.6 | 8.4 | 8 | 7.8 | 9 | -- | -- |
| 3177 | Kotobukicho Japan | 9.8 | 8.5 | 9.2 | -- | -- | -- | -- | -- | -- |
| 3178 | Sennaricho Japan | 9.8 | 8.3 | 9.3 | -- | -- | -- | -- | -- | -- |
| 3179 | Wanikoen Japan | 9.8 | 7.7 | 9.4 | -- | -- | -- | -- | -- | -- |
| 3180 | Kumagaya Japan | 9.8 | 9.3 | 10.1 | 9.5 | 9.5 | 10.3 | 13.4 | 14 | 12.9 |
| 3181 | Toda Japan | 9.8 | 9 | 10.3 | 9.5 | 9.3 | 10.1 | 11.5 | 14.9 | 13.4 |
| 3182 | Yorii Japan | 9.8 | 8.8 | 9.5 | 8.9 | 8.9 | 9.5 | 10.8 | 11.1 | 11.9 |
| 3183 | Kusatsu Japan | 9.8 | 8.2 | 9.6 | 8.7 | 8.4 | 8.8 | 10.6 | 11 | 11.3 |
| 3184 | Kiyose Japan | 9.8 | 9 | 9.6 | 8.9 | 9.1 | 9.3 | 12.1 | 13.2 | 13.6 |
| 3185 | Mizuho Japan | 9.8 | 9 | 9.8 | 9.4 | 8.9 | 9.8 | 11.7 | -- | -- |
| 3186 | Hofu Japan | 9.8 | 8.6 | 9 | 11.8 | 13.3 | 12.1 | 12.4 | 12.3 | 13 |
| 3187 | Shimonoseki Japan | 9.8 | 8.6 | 10.2 | 9.8 | 10.4 | 11.2 | 12.8 | 13.4 | 14.5 |
| 3188 |  Rudnyy Kazakhstan | 9.8 | 10.2 | 14.9 | -- | -- | -- | -- | -- | -- |
| 3189 |  Hani i Elezit Kosovo | 9.8 | 11.1 | 12 | -- | -- | -- | -- | -- | -- |
| 3190 |  Lievendaal Netherlands | 9.8 | 9.2 | 9 | 8.9 | 9 | -- | -- | -- | -- |
| 3191 |  Kaiapoi New Zealand | 9.8 | 9.8 | 9 | 9 | 10.2 | 10 | 11.9 | 10.9 | 14 |
| 3192 |  Porsgrunn Norway | 9.8 | 10.4 | 8.4 | 8.6 | 9 | 7.5 | 7.6 | 7.5 | 7.4 |
| 3193 |  Porto Portugal | 9.8 | 8.1 | 9.5 | 7.1 | 6 | -- | -- | -- | -- |
| 3194 |  Chitila Romania | 9.8 | 12.4 | 17.1 | 27.7 | -- | -- | -- | -- | -- |
| 3195 |  Musanze Rwanda | 9.8 | 8.1 | -- | -- | -- | -- | -- | -- | -- |
| 3196 |  Ziar nad Hronom Slovakia | 9.8 | 10.4 | 10.6 | 12 | 12.7 | 12.3 | 13.3 | 16.6 | 15.5 |
| 3197 |  Yangyang South Korea | 9.8 | 9.2 | 11.3 | -- | -- | -- | -- | -- | -- |
| 3198 |  Beasain Spain | 9.8 | 9.8 | 10.2 | 11.7 | 8.9 | 9.8 | 10.2 | 9.5 | 8.5 |
| 3199 | Igualada Spain | 9.8 | 9.1 | -- | -- | -- | -- | -- | -- | -- |
| 3200 | Logroño Spain | 9.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 3201 |  Binningen Switzerland | 9.8 | 7.7 | 8.1 | 9.4 | 9.5 | 10.1 | 10.5 | 10.8 | 9.8 |
| 3202 | Zuerich (Kreis 11) / Seebach Switzerland | 9.8 | 13 | -- | -- | -- | -- | -- | -- | -- |
| 3203 |  Bedford United Kingdom | 9.8 | 6.5 | 6.7 | 9.8 | -- | -- | -- | -- | -- |
| 3204 | Canary Wharf United Kingdom | 9.8 | 8.2 | 8.2 | 9.9 | -- | -- | -- | -- | -- |
| 3205 | Christchurch United Kingdom | 9.8 | 7.9 | 8.6 | 11.1 | 12.5 | 12.5 | 12.8 | 12.2 | -- |
| 3206 | Eccles United Kingdom | 9.8 | 9 | 8.7 | 9.7 | 8.9 | 8.4 | 9.8 | 11 | 10.8 |
| 3207 | Erith United Kingdom | 9.8 | 8 | 8.5 | 10.2 | -- | -- | -- | -- | -- |
| 3208 | Fallowfield United Kingdom | 9.8 | 11.1 | -- | -- | -- | -- | -- | -- | -- |
| 3209 | Harold Wood United Kingdom | 9.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 3210 | Liverpool United Kingdom | 9.8 | 10.3 | -- | -- | -- | -- | -- | -- | -- |
| 3211 | Morden United Kingdom | 9.8 | 8.8 | 9.8 | 11.1 | -- | -- | -- | -- | -- |
| 3212 |  Chino Hills USA | 9.8 | 10.1 | 10.7 | 10.4 | 13.8 | 15.9 | 13.2 | -- | -- |
| 3213 | Rossville USA | 9.8 | 10.6 | 12.1 | -- | -- | -- | -- | -- | -- |
| 3214 | West Point USA | 9.8 | 8.9 | 13.1 | -- | -- | -- | -- | -- | -- |
