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 · 17.9
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 · 22.5
14. Vilnius, Lithuania · 23.5
15. Mississauga, Canada · 23.5
16. Calgary, Canada · 23.6
17. Rotterdam, Netherlands · 23.8
18. Trondheim, Norway · 23.8
19. Leipzig, Germany · 24
20. Ljubljana, Slovenia · 24
21. Halifax, Canada · 24.3
22. Ottawa, Canada · 24.3
23. Anchorage, AK, United States · 24.3
24. Wellington, New Zealand · 24.8
25. Porto, Portugal · 24.8
26. Munich, Germany · 24.9
27. Copenhagen, Denmark · 25.1
28. Vancouver, Canada · 25.2
29. Kaunas, Lithuania · 25.3
30. Canberra, Australia · 25.4

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