How green is Aalst?

Aalst has 552 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 55% of the city area. In summer, the hottest land surface zones sit 3.7 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 10.3 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Aalst ranks #224 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #7 of 30 in Belgium.

552
m² green per inhabitant
55%
vegetation cover
+3.7 °C
hottest zones vs city mean
10.3
PM2.5 estimate µg/m³
17.6
PM10 estimate µg/m³
15.6
NO2 estimate µg/m³
337.0
Index · #224/828
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Nearby in the rankings

This city is at position #224 of 828 worldwide.

#rank City Country Index
221 Fréjus France 336.3
222 Passau Germany 336.3
223 Hasselt Belgium 336.8
224 Aalst Belgium 337.0
225 Trento Italy 337.2
226 Veszprém Hungary 337.7
227 Hilversum Netherlands 338.0

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.