How green is Alcalá de Henares?

Alcalá de Henares has 24 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 5% of the city area. In summer, the hottest land surface zones sit 3.1 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 8.6 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Alcalá de Henares ranks #626 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #86 of 130 in Spain.

24
m² green per inhabitant
5%
vegetation cover
+3.1 °C
hottest zones vs city mean
8.6
PM2.5 estimate µg/m³
20.9
PM10 estimate µg/m³
18.9
NO2 estimate µg/m³
509.7
Index · #626/828
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City maps

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

Nearby in the rankings

This city is at position #626 of 828 worldwide.

#rank City Country Index
623 Râmnicu Vâlcea Romania 507.7
624 Algeciras Spain 508.5
625 Mülheim Germany 509.3
626 Alcalá de Henares Spain 509.7
627 Bitonto Italy 510.5
628 Chambéry France 511.0
629 Sant Cugat del Vallès Spain 511.8

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.