| # | Product | Pollution Index |
|---|---|---|
| 251 | Luxembourg | 21.62 |
| 252 | Blantyre | 21.55 |
| 253 | Tallinn | 19.02 |
| 254 | Vantaa | 18.51 |
| 255 | Stockholm | 18.36 |
| 256 | Chiba | 17.82 |
| 257 | Vienna | 16.11 |
| 258 | Fribourg, Switzerland | 15.89 |
| 259 | Helsinki | 12.64 |
| 260 | Sendai | 12.59 |
| 261 | San Sebastian | 12.08 |
| 262 | Ourense | 9.77 |
| 263 | Pamplona | 5.13 |