Most polluted cities in The Netherlands

32 measured cities ranked by PM2.5, last 7 days. Worst: Haarlem at 11.6 µg/m³, #390 in the world.

#	City	µg/m³
1	Haarlem low-cost sensorsNorth Holland	11.6
2	Venray Limburg	11.1
3	Breda North Brabant	10.6
4	Tilburg North Brabant	10.3
5	Medemblik North Holland	10.2
6	Nijmegen Gelderland	10.1
7	Barneveld Gelderland	10.1
8	Amsterdam North Holland	10.1
9	Utrecht Utrecht	10.0
10	IJsselstein Utrecht	10.0
11	Eibergen Gelderland	10.0
12	Ridderkerk South Holland	9.8
13	Velserbroek North Holland	9.8
14	Spijkenisse South Holland	9.7
15	Maarssen Utrecht	9.7
16	Rotterdam South Holland	9.6
17	Eindhoven North Brabant	9.6
18	's-Gravenzande South Holland	9.4
19	The Hague South Holland	9.4
20	Zaanstad North Holland	9.3
21	Schiedam South Holland	9.0
22	Enschede Overijssel	9.0
23	Nijverdal Overijssel	8.8
24	Maassluis South Holland	8.8
25	Heerlen Limburg	8.7
26	Groningen Groningen	8.7
27	Emmen Drenthe	8.3
28	Badhoevedorp North Holland	8.0
29	Hillegom South Holland	7.8
30	Velsen-Zuid North Holland	7.7
31	Hoensbroek Limburg	7.5
32	Purmerend North Holland	7.1

Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

Regions

Updated 2026-10-01 04:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.