SmogRank / Countries / The Netherlands / October 2025
Most polluted cities in The Netherlands, October 2025
26 cities in The Netherlands ranked by their average PM2.5 over the 31 days. Worst: Schiedam at 8.0 µg/m³, #624 of 2,110 cities in the world. Cleanest: Tilburg at 4.1. A city needs measurements on 70% of the days to be ranked.
- 1SchiedamSouth Holland 8.0
- 2EindhovenNorth Brabant 7.4
- 3BredaNorth Brabant 7.2
- 4The HagueSouth Holland 7.1
- 5RotterdamSouth Holland 6.8
- 6Haarlemlow-cost sensorsNorth Holland 6.7
- 7VenloLimburg 6.5
- 7Velsen-ZuidNorth Holland 6.5
- 9UtrechtUtrecht 6.4
- 9BadhoevedorpNorth Holland 6.4
- 11NijmegenGelderland 6.3
- 11BarneveldGelderland 6.3
- 13HillegomSouth Holland 6.2
- 14VenrayLimburg 5.9
- 15IJsselsteinUtrecht 5.8
- 16SpijkenisseSouth Holland 5.3
- 17EnschedeOverijssel 5.2
- 18MaassluisSouth Holland 5.1
- 18MaarssenUtrecht 5.1
- 18HeerlenLimburg 5.1
- 18AmsterdamNorth Holland 5.1
- 18VelserbroekNorth Holland 5.1
- 23MedemblikNorth Holland 5.0
- 24ZaanstadNorth Holland 4.8
- 25GroningenGroningen 4.4
- 26TilburgNorth Brabant 4.1
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+