How green is Siegen?

Siegen has 8952 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 85% of the city area. In summer, the hottest land surface zones sit 3.2 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 7.3 µg/m³. Satellite records cover 7 years, 2018 to 2025. Overall, Siegen ranks #19 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #2 of 103 in Germany.

8952
m² green per inhabitant
85%
vegetation cover
+3.2 °C
hottest zones vs city mean
7.3
PM2.5 estimate µg/m³
11.9
PM10 estimate µg/m³
6.6
NO2 estimate µg/m³
89.2
Index · #19/828
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City maps

Satellite — Siegen Satellite Green cover — Siegen Green cover Detected green vegetation Heat — Siegen Heat cooler hotter NO2 — Siegen NO2 lower higher µg/m³ PM2.5 — Siegen PM2.5 lower higher µg/m³ PM10 — Siegen PM10 lower higher µg/m³

Nearby in the rankings

This city is at position #19 of 828 worldwide.

#rank City Country Index
16 Borås Sweden 81.0
17 Turku Finland 86.8
18 Norderstedt Germany 87.8
19 Siegen Germany 89.2
20 Nordhorn Germany 92.3
21 Västerås Sweden 94.5
22 Roskilde Denmark 95.0

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.