SmogRank / Countries / The Netherlands / March 2026

Most polluted cities in The Netherlands, March 2026

29 cities in The Netherlands ranked by their average PM2.5 over the 31 days. Worst: Haarlem at 19.8 µg/m³, #329 of 2,332 cities in the world. Cleanest: Venray at 10.7. A city needs measurements on 70% of the days to be ranked.

  1. 1Haarlemlow-cost sensorsNorth Holland
    19.8
  2. 2SchiedamSouth Holland
    17.0
  3. 3The HagueSouth Holland
    15.9
  4. 4's-GravenzandeSouth Holland
    15.8
  5. 5EindhovenNorth Brabant
    15.7
  6. 6RotterdamSouth Holland
    15.6
  7. 6RidderkerkSouth Holland
    15.6
  8. 8TilburgNorth Brabant
    15.4
  9. 8BadhoevedorpNorth Holland
    15.4
  10. 10SpijkenisseSouth Holland
    15.1
  11. 11MaassluisSouth Holland
    15.0
  12. 12UtrechtUtrecht
    14.8
  13. 13Velsen-ZuidNorth Holland
    14.7
  14. 13IJsselsteinUtrecht
    14.7
  15. 13BredaNorth Brabant
    14.7
  16. 16MaarssenUtrecht
    14.6
  17. 16AmsterdamNorth Holland
    14.6
  18. 18GroningenGroningen
    14.4
  19. 19ZaanstadNorth Holland
    14.3
  20. 20VelserbroekNorth Holland
    14.2
  21. 21EnschedeOverijssel
    13.9
  22. 22MedemblikNorth Holland
    13.8
  23. 23NijmegenGelderland
    13.5
  24. 23BarneveldGelderland
    13.5
  25. 25VenloLimburg
    13.3
  26. 26HillegomSouth Holland
    13.2
  27. 27PurmerendNorth Holland
    11.9
  28. 28HeerlenLimburg
    11.1
  29. 29VenrayLimburg
    10.7
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 2026 · The Netherlands now