How green is Leiden?
Leiden has 63 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 33% of the city area. In summer, the hottest land surface zones sit 2.8 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 8.8 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Leiden ranks #336 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #34 of 56 in Netherlands.
63
m² green per inhabitant
33%
vegetation cover
+2.8 °C
hottest zones vs city mean
8.8
PM2.5 estimate µg/m³
15.6
PM10 estimate µg/m³
17.2
NO2 estimate µg/m³
384.7
Index · #336/828
City maps
Nearby in the rankings
This city is at position #336 of 828 worldwide.
| #rank | City | Country | Index |
|---|---|---|---|
| 333 | Salamanca | Spain | 383.3 |
| 334 | Zamość | Poland | 383.8 |
| 335 | Érd | Hungary | 384.3 |
| 336 | Leiden | Netherlands | 384.7 |
| 337 | Perpignan | France | 384.8 |
| 338 | Carrara | Italy | 386.5 |
| 339 | Malmö | Sweden | 386.8 |
Method and caveats
Heat is land surface temperature, not air temperature. Air quality values are model estimates. Green area is vegetation extent detected by satellite, not tree height.