Pollution, world city rankings 2026

Top 30 cities

1. Helsinki, Finland · 12.5
2. Reykjavik, Iceland · 15.6
3. Vienna, Austria · 15.8
4. Osijek, Croatia · 16.8
5. Anchorage, AK, United States · 17.3
6. The Hague (Den Haag), Netherlands · 17.9
7. Stockholm, Sweden · 18.1
8. Tallinn, Estonia · 18.2
9. Groningen, Netherlands · 19.4
10. Eindhoven, Netherlands · 20.7
11. Luxembourg, Luxembourg · 21.2
12. Oslo, Norway · 21.5
13. Gothenburg, Sweden · 22.3
14. Victoria, Canada · 22.7
15. Mississauga, Canada · 23.5
16. Calgary, Canada · 23.6
17. Vilnius, Lithuania · 23.7
18. Rotterdam, Netherlands · 23.8
19. Ottawa, Canada · 23.9
20. Ljubljana, Slovenia · 24
21. Halifax, Canada · 24.3
22. Porto, Portugal · 24.5
23. Trondheim, Norway · 24.5
24. Munich, Germany · 24.7
25. Wellington, New Zealand · 24.8
26. Copenhagen, Denmark · 25.1
27. Kaunas, Lithuania · 25.3
28. Adelaide, Australia · 25.4
29. Vancouver, Canada · 25.4
30. Gold Coast, Australia · 25.5

Figures are shown in the local currency and come from Numbeo via the JanusHermes data cache; they refresh regularly and are indicative, not quotes.