Pollution, world city rankings 2026

Top 30 cities

1. Helsinki, Finland · 12.5
2. Reykjavik, Iceland · 15.5
3. Vienna, Austria · 15.8
4. Osijek, Croatia · 16.8
5. Tallinn, Estonia · 18
6. Stockholm, Sweden · 18.1
7. The Hague (Den Haag), Netherlands · 18.1
8. Groningen, Netherlands · 19.4
9. Eindhoven, Netherlands · 20.7
10. Luxembourg, Luxembourg · 21.2
11. Oslo, Norway · 21.3
12. Gothenburg, Sweden · 22.3
13. Victoria, Canada · 22.7
14. Mississauga, Canada · 23.5
15. Vilnius, Lithuania · 23.5
16. Calgary, Canada · 23.6
17. Rotterdam, Netherlands · 23.8
18. Ljubljana, Slovenia · 24
19. Halifax, Canada · 24.3
20. Ottawa, Canada · 24.3
21. Anchorage, AK, United States · 24.3
22. Munich, Germany · 24.4
23. Leipzig, Germany · 24.4
24. Trondheim, Norway · 24.5
25. Wellington, New Zealand · 24.8
26. Porto, Portugal · 24.8
27. Canberra, Australia · 25.1
28. Copenhagen, Denmark · 25.1
29. Vancouver, Canada · 25.2
30. Kaunas, Lithuania · 25.3

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