SmogRank / Countries / The Netherlands / March 2025

Most polluted cities in The Netherlands, March 2025

27 cities in The Netherlands ranked by their average PM2.5 over the 31 days. Worst: Velsen-Zuid at 18.1 µg/m³, #398 of 2,218 cities in the world. Cleanest: Heerlen at 12.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Velsen-ZuidNorth Holland
    18.1
  2. 2The HagueSouth Holland
    18.0
  3. 3RotterdamSouth Holland
    17.6
  4. 3BadhoevedorpNorth Holland
    17.6
  5. 5MedemblikNorth Holland
    17.3
  6. 5MaarssenUtrecht
    17.3
  7. 7's-GravenzandeSouth Holland
    17.2
  8. 8RidderkerkSouth Holland
    16.6
  9. 8AmsterdamNorth Holland
    16.6
  10. 8VelserbroekNorth Holland
    16.6
  11. 11VenrayLimburg
    16.0
  12. 11VenloLimburg
    16.0
  13. 13SpijkenisseSouth Holland
    15.7
  14. 14TilburgNorth Brabant
    15.6
  15. 15EnschedeOverijssel
    15.5
  16. 15EindhovenNorth Brabant
    15.5
  17. 17PurmerendNorth Holland
    15.3
  18. 18ZaanstadNorth Holland
    15.2
  19. 18BredaNorth Brabant
    15.2
  20. 20MaassluisSouth Holland
    15.1
  21. 21IJsselsteinUtrecht
    14.7
  22. 22BarneveldGelderland
    14.6
  23. 23HillegomSouth Holland
    14.5
  24. 24UtrechtUtrecht
    14.2
  25. 25NijmegenGelderland
    14.0
  26. 25GroningenGroningen
    14.0
  27. 27HeerlenLimburg
    12.5
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, March 2025 · The Netherlands now