SmogRank / Cleaner or dirtier / The Netherlands
The Netherlands: cleaner or dirtier, 2025
In The Netherlands, 23 cities have enough days in both years to compare 2025 with the same days of 2024: 13 got dirtier and 8 cleaner.
The 13 cities that got dirtier, biggest rise first
| # | City | 2024 | 2025 | Change |
|---|---|---|---|---|
| 1 | The HagueSouth Holland, The Netherlands | 39 | 53 | +2.9 µg/m³+41% |
| 2 | EnschedeOverijssel, The Netherlands | 34 | 46 | +2.1 µg/m³+34% |
| 3 | NoordwijkerhoutSouth Holland, The Netherlands | 39 | 48 | +1.6 µg/m³+23% |
| 4 | HillegomSouth Holland, The Netherlands | 39 | 48 | +1.6 µg/m³+23% |
| 5 | RotterdamSouth Holland, The Netherlands | 45 | 52 | +1.5 µg/m³+19% |
| 6 | LunterenGelderland, The Netherlands | 41 | 49 | +1.4 µg/m³+19% |
| 7 | BarneveldGelderland, The Netherlands | 41 | 49 | +1.4 µg/m³+19% |
| 8 | MedemblikNorth Holland, The Netherlands | 41 | 48 | +1.4 µg/m³+19% |
| 9 | VenloLimburg, The Netherlands | 50 | 53 | +1.3 µg/m³+14% |
| 10 | VenrayLimburg, The Netherlands | 46 | 52 | +1.2 µg/m³+15% |
| 11 | KollumFriesland, The Netherlands | 34 | 39 | +0.8 µg/m³+13% |
| 12 | BredaNorth Brabant, The Netherlands | 49 | 52 | +0.6 µg/m³+7% |
| 13 | GroningenThe Netherlands | 39 | 41 | +0.2 µg/m³+3% |
The 8 cities that got cleaner, biggest fall first
| # | City | 2024 | 2025 | Change |
|---|---|---|---|---|
| 1 | BreukelenUtrecht, The Netherlands | 55 | 47 | −2.8 µg/m³−25% |
| 2 | MaarssenUtrecht, The Netherlands | 55 | 47 | −2.8 µg/m³−25% |
| 3 | IJsselsteinUtrecht, The Netherlands | 52 | 46 | −1.7 µg/m³−17% |
| 4 | LopikUtrecht, The Netherlands | 52 | 46 | −1.7 µg/m³−17% |
| 5 | NijmegenGelderland, The Netherlands | 51 | 45 | −1.2 µg/m³−13% |
| 6 | TilburgNorth Brabant, The Netherlands | 54 | 52 | −1.2 µg/m³−11% |
| 7 | EindhovenNorth Brabant, The Netherlands | 52 | 52 | −0.2 µg/m³−2% |
| 8 | WaalreNorth Brabant, The Netherlands | 52 | 52 | −0.2 µg/m³−2% |
Means in US AQI over the days a city was measured in both years, the same calendar days each year; a city needs 55% of the days paired, and at least 30. The change is in µg/m³ and per cent. How we compare.
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
Updated 2026-10-07 12:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.