How green is Porto?

Porto has 24 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 15% of the city area. In summer, the hottest land surface zones sit 2.7 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 11.0 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Porto ranks #743 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #15 of 15 in Portugal.

24
m² green per inhabitant
15%
vegetation cover
+2.7 °C
hottest zones vs city mean
11.0
PM2.5 estimate µg/m³
20.9
PM10 estimate µg/m³
24.1
NO2 estimate µg/m³
572.8
Index · #743/828
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City maps

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

Nearby in the rankings

This city is at position #743 of 828 worldwide.

#rank City Country Index
740 Brăila Romania 571.8
741 Aulnay-sous-Bois France 572.3
742 Drobeta-Turnu Severin Romania 572.7
743 Porto Portugal 572.8
744 Cagliari Italy 573.5
745 Alcobendas Spain 574.3
746 Coslada Spain 575.3

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.