SmogRank / History / City race
Cities in The Netherlands, worst air first, day by day
Each measured city's average over the 30 days to every day since January 2023, worst first. Find your own city to follow it through the race, or keep to one country.
The worst cities in The Netherlands for PM2.5 over the 30 days to 12 Aug 2025: Schiedam 8.9 µg/m³, Venlo 7.4 µg/m³ and Badhoevedorp 7.3 µg/m³.
- 1SchiedamSouth Holland8.9
- 2VenloLimburg7.4
- 3BadhoevedorpNorth Holland7.3
- 4's-GravenzandeSouth Holland6.7
- 5RidderkerkSouth Holland6.6
- 6VenrayLimburg6.5
- 7TilburgNorth Brabant6.5
- 8RotterdamSouth Holland6.5
- 9ZwanenburgNorth Holland6.4
- 10BredaNorth Brabant6.4
- 11VelserbroekNorth Holland6.4
- 12Velsen-ZuidNorth Holland6.3
- 13NoordwijkerhoutSouth Holland6.2
- 14HillegomSouth Holland6.2
- 15SpijkenisseSouth Holland6.1
- 16MedemblikNorth Holland6.0
- 17MaassluisSouth Holland6.0
- 18AmsterdamNorth Holland6.0
- 19The HagueSouth Holland5.9
- 20WaalreNorth Brabant5.7
+ 16 more cities, 5.7 µg/m³ and below
Cities counted each day
A city's number is its average over the 30 days, shown only when 21 of them were measured (5 of 7 on the 7-day race), the same minimum as the 30- and 7-day boards. A city whose monitors go quiet fades out where it stood rather than sliding down, so a gap never reads as cleaner air. Some large countries are thin or missing because their monitors' licences don't allow reuse. How we rank.
Not covered: the government monitoring networks of China and Turkey, which publish only on their own websites; we are building the readers for them. Most cities there are missing from this board, not clean. Why.