SmogRank / Countries / The Netherlands / February 2026

Most polluted cities in The Netherlands, February 2026

29 cities in The Netherlands ranked by their average PM2.5 over the 28 days. Worst: Haarlem at 24.2 µg/m³, #244 of 2,251 cities in the world. Cleanest: Heerlen at 6.4. A city needs measurements on 70% of the days to be ranked.

  1. 1Haarlemlow-cost sensorsNorth Holland
    24.2
  2. 2MedemblikNorth Holland
    16.8
  3. 3GroningenGroningen
    16.7
  4. 3BadhoevedorpNorth Holland
    16.7
  5. 5Velsen-ZuidNorth Holland
    16.3
  6. 6ZaanstadNorth Holland
    15.0
  7. 7PurmerendNorth Holland
    14.9
  8. 8VelserbroekNorth Holland
    14.7
  9. 9SchiedamSouth Holland
    14.3
  10. 9AmsterdamNorth Holland
    14.3
  11. 11EnschedeOverijssel
    14.1
  12. 12HillegomSouth Holland
    14.0
  13. 13MaarssenUtrecht
    13.8
  14. 13BarneveldGelderland
    13.8
  15. 15's-GravenzandeSouth Holland
    13.5
  16. 16UtrechtUtrecht
    13.3
  17. 16The HagueSouth Holland
    13.3
  18. 18IJsselsteinUtrecht
    13.2
  19. 19RotterdamSouth Holland
    12.8
  20. 19RidderkerkSouth Holland
    12.8
  21. 21SpijkenisseSouth Holland
    12.4
  22. 22MaassluisSouth Holland
    12.3
  23. 23TilburgNorth Brabant
    11.1
  24. 24NijmegenGelderland
    11.0
  25. 25EindhovenNorth Brabant
    10.6
  26. 26BredaNorth Brabant
    10.0
  27. 27VenloLimburg
    9.8
  28. 28VenrayLimburg
    7.5
  29. 29HeerlenLimburg
    6.4
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, February 2026 · The Netherlands now

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SmogRank, most polluted cities in The Netherlands, PM2.5, February 2026, smogrank.com/nl/history/2026-02 (accessed 1 Oct 2026).

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