How green is Blois?

Blois has 310 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 46% of the city area. In summer, the hottest land surface zones sit 6.4 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 7.7 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Blois ranks #242 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #23 of 115 in France.

310
m² green per inhabitant
46%
vegetation cover
+6.4 °C
hottest zones vs city mean
7.7
PM2.5 estimate µg/m³
16.5
PM10 estimate µg/m³
12.5
NO2 estimate µg/m³
346.3
Index · #242/828
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City maps

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

Nearby in the rankings

This city is at position #242 of 828 worldwide.

#rank City Country Index
239 Biała Podlaska Poland 343.8
240 Amstelveen Netherlands 345.0
241 Huesca Spain 345.2
242 Blois France 346.3
243 Niort France 347.0
244 Purmerend Netherlands 347.2
245 Konin Poland 347.7

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.