How green is Cergy?

Cergy has 74 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 32% of the city area. In summer, the hottest land surface zones sit 3.6 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 9.5 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Cergy ranks #482 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #65 of 115 in France.

74
m² green per inhabitant
32%
vegetation cover
+3.6 °C
hottest zones vs city mean
9.5
PM2.5 estimate µg/m³
16.4
PM10 estimate µg/m³
17.7
NO2 estimate µg/m³
445.8
Index · #482/828
Open interactive map

City maps

Nearby in the rankings

This city is at position #482 of 828 worldwide.

#rank City Country Index
479 Ludwigshafen am Rhein Germany 444.3
480 Nijmegen Netherlands 444.3
481 Manfredonia Italy 445.2
482 Cergy France 445.8
483 Prešov Slovakia 445.8
484 Ljubljana Slovenia 446.2
485 Montpellier France 446.5

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.