SmogRank / World / The Netherlands / October 2026

Most polluted cities in The Netherlands, October 2026

32 cities in The Netherlands ranked by their average PM2.5 so far (1 of 31 days). Worst: Groningen at 9.6 µg/m³, #671 of 1,630 cities in the world. Cleanest: Purmerend at 3.0. A city needs measurements on 70% of the days to be ranked.

← Groningen 9.6 µg/m³ 20 µg/m³0
Every city in The Netherlands ranked for October 2026, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1GroningenGroningen
    52
  2. 2EnschedeOverijssel
    51
  3. 3EmmenDrenthe
    47
  4. 4MedemblikNorth Holland
    46
  5. 5UtrechtUtrecht
    45
  6. 6NijmegenGelderland
    42
  7. 7MaarssenUtrecht
    41
  8. 8BarneveldGelderland
    40
  9. 9VenloLimburg
    39
  10. 9EibergenGelderland
    39
  11. 11VenrayLimburg
    38
  12. 12NijverdalOverijssel
    38
  13. 12IJsselsteinUtrecht
    38
  14. 14VelserbroekNorth Holland
    37
  15. 15ZaanstadNorth Holland
    37
  16. 16TilburgNorth Brabant
    36
  17. 17BredaNorth Brabant
    36
  18. 18RidderkerkSouth Holland
    34
  19. 18AmsterdamNorth Holland
    34
  20. 20The HagueSouth Holland
    34
  21. 21's-GravenzandeSouth Holland
    33
  22. 21Haarlemlow-cost sensorsNorth Holland
    33
  23. 21EindhovenNorth Brabant
    33
  24. 24RotterdamSouth Holland
    33
  25. 25Velsen-ZuidNorth Holland
    32
  26. 25SchiedamSouth Holland
    32
  27. 27HeerlenLimburg
    32
  28. 28SpijkenisseSouth Holland
    31
  29. 29HoensbroekLimburg
    29
  30. 30HillegomSouth Holland
    28
  31. 31BadhoevedorpNorth Holland
    23
  32. 32PurmerendNorth Holland
    17
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, October 2026 · The Netherlands now

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SmogRank, most polluted cities in The Netherlands, PM2.5, October 2026 (so far), smogrank.com/nl/history/2026-10 (accessed 2 Oct 2026).

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