How green is Saint-Nazaire?
Saint-Nazaire has 219 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 30% 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 7.5 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Saint-Nazaire ranks #248 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #25 of 115 in France.
219
m² green per inhabitant
30%
vegetation cover
+4.9 °C
hottest zones vs city mean
7.5
PM2.5 estimate µg/m³
16.9
PM10 estimate µg/m³
11.2
NO2 estimate µg/m³
349.0
Index · #248/828
City maps
Nearby in the rankings
This city is at position #248 of 828 worldwide.
| #rank | City | Country | Index |
|---|---|---|---|
| 245 | Konin | Poland | 347.7 |
| 246 | Setúbal | Portugal | 348.2 |
| 247 | Nürnberg | Germany | 348.7 |
| 248 | Saint-Nazaire | France | 349.0 |
| 249 | 's-Hertogenbosch | Netherlands | 349.7 |
| 250 | Vilnius | Lithuania | 350.7 |
| 251 | Châteauroux | France | 350.8 |
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.