How green is Saint-Étienne?
Saint-Étienne has 235 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 53% of the city area. In summer, the hottest land surface zones sit 6.5 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 8.4 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Saint-Étienne ranks #320 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #41 of 115 in France.
235
m² green per inhabitant
53%
vegetation cover
+6.5 °C
hottest zones vs city mean
8.4
PM2.5 estimate µg/m³
14.7
PM10 estimate µg/m³
15.5
NO2 estimate µg/m³
378.2
Index · #320/828
City maps
Nearby in the rankings
This city is at position #320 of 828 worldwide.
| #rank | City | Country | Index |
|---|---|---|---|
| 317 | Münster | Germany | 377.3 |
| 318 | Ratingen | Germany | 377.8 |
| 319 | Trenčín | Slovakia | 377.8 |
| 320 | Saint-Étienne | France | 378.2 |
| 321 | Gdynia | Poland | 378.3 |
| 322 | Tarnowskie Góry | Poland | 378.3 |
| 323 | Bełchatów | Poland | 378.7 |
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.