How green is Mainz?

Mainz has 171 square metres of green space per inhabitant in 2025 satellite data. Vegetation covers 39% of the city area. In summer, the hottest land surface zones sit 3.0 °C above the city-wide average (land surface temperature, not air temperature). The PM2.5 model estimate for 2025 is 9.8 µg/m³. Satellite records cover 8 years, 2018 to 2025. Overall, Mainz ranks #400 of 828 reviewed cities in the Green City Index (green space, land surface heat and air quality combined), and #81 of 103 in Germany.

171
m² green per inhabitant
39%
vegetation cover
+3.0 °C
hottest zones vs city mean
9.8
PM2.5 estimate µg/m³
16.5
PM10 estimate µg/m³
20.7
NO2 estimate µg/m³
413.2
Index · #400/828
Open interactive map

City maps

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

Nearby in the rankings

This city is at position #400 of 828 worldwide.

#rank City Country Index
397 Limoges France 412.2
398 Ajaccio France 412.3
399 Pruszków Poland 412.7
400 Mainz Germany 413.2
401 Catanzaro Italy 413.2
402 Dunkerque France 413.3
403 Brindisi Italy 413.7

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.