SmogRank / Countries / The Netherlands / July 2025

Most polluted cities in The Netherlands, July 2025

27 cities in The Netherlands ranked by their average PM2.5 over the 31 days. Worst: Schiedam at 8.5 µg/m³, #1,274 of 2,282 cities in the world. Cleanest: Maarssen at 3.1. A city needs measurements on 70% of the days to be ranked.

  1. 1SchiedamSouth Holland
    8.5
  2. 2BadhoevedorpNorth Holland
    6.8
  3. 3VenloLimburg
    6.5
  4. 4MedemblikNorth Holland
    6.4
  5. 5's-GravenzandeSouth Holland
    6.1
  6. 6The HagueSouth Holland
    5.9
  7. 6HillegomSouth Holland
    5.9
  8. 8VenrayLimburg
    5.8
  9. 8Velsen-ZuidNorth Holland
    5.8
  10. 8RotterdamSouth Holland
    5.8
  11. 8VelserbroekNorth Holland
    5.8
  12. 12BredaNorth Brabant
    5.6
  13. 13TilburgNorth Brabant
    5.5
  14. 13RidderkerkSouth Holland
    5.5
  15. 15SpijkenisseSouth Holland
    5.4
  16. 15AmsterdamNorth Holland
    5.4
  17. 17MaassluisSouth Holland
    5.2
  18. 18EindhovenNorth Brabant
    4.9
  19. 19ZaanstadNorth Holland
    4.8
  20. 20NijmegenGelderland
    4.2
  21. 20HeerlenLimburg
    4.2
  22. 20EnschedeOverijssel
    4.2
  23. 20BarneveldGelderland
    4.2
  24. 24GroningenGroningen
    3.7
  25. 25IJsselsteinUtrecht
    3.6
  26. 26UtrechtUtrecht
    3.3
  27. 27MaarssenUtrecht
    3.1
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, July 2025 · The Netherlands now

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SmogRank, most polluted cities in The Netherlands, PM2.5, July 2025, smogrank.com/nl/history/2025-07 (accessed 2 Oct 2026).

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