How green is Flensburg?
Flensburg has 351 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 62% of the city area. In summer, the hottest land surface zones sit 3.0 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 8.1 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Flensburg ranks #66 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #19 of 103 in Germany.
351
m² green per inhabitant
62%
vegetation cover
+3.0 °C
hottest zones vs city mean
8.1
PM2.5 estimate µg/m³
13.2
PM10 estimate µg/m³
9.5
NO2 estimate µg/m³
208.5
Index · #66/828
City maps
Nearby in the rankings
This city is at position #66 of 828 worldwide.
| #rank | City | Country | Index |
|---|---|---|---|
| 63 | Limerick | Ireland | 197.0 |
| 64 | Zwolle | Netherlands | 199.8 |
| 65 | Pontevedra | Spain | 202.7 |
| 66 | Flensburg | Germany | 208.5 |
| 67 | Paderborn | Germany | 210.7 |
| 68 | Chemnitz | Germany | 211.0 |
| 69 | Bayreuth | Germany | 211.3 |
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.