How green is Liège?
Liège has 166 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 45% of the city area. In summer, the hottest land surface zones sit 4.9 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 8.7 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Liège ranks #409 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #17 of 30 in Belgium.
166
m² green per inhabitant
45%
vegetation cover
+4.9 °C
hottest zones vs city mean
8.7
PM2.5 estimate µg/m³
14.9
PM10 estimate µg/m³
17.7
NO2 estimate µg/m³
415.7
Index · #409/828
City maps
Nearby in the rankings
This city is at position #409 of 828 worldwide.
| #rank | City | Country | Index |
|---|---|---|---|
| 406 | Calais | France | 414.0 |
| 407 | Barakaldo | Spain | 415.0 |
| 408 | Braga | Portugal | 415.2 |
| 409 | Liège | Belgium | 415.7 |
| 410 | Pécs | Hungary | 415.8 |
| 411 | Dublin | Ireland | 417.0 |
| 412 | Venlo | Netherlands | 417.0 |
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.