Urban heat islands /

The city, with the hottest surfaces in view

Surface temperatures above 35 °C, semi-transparent over the satellite image. The forested south is barely coloured: it stays cooler.
Surface temperatures above 35 °C, semi-transparent over the satellite image. The forested south is barely coloured: it stays cooler.

Vegetation and heat, side by side

Left, greenness (NDVI): beige (sparse) to dark green (dense). Right, temperature of the same window. Where vegetation is denser, the surface is usually cooler.
Left, greenness (NDVI): beige (sparse) to dark green (dense). Right, temperature of the same window. Where vegetation is denser, the surface is usually cooler.

Peak and mean temperature by borough

Peak surface temperature. These values fall on roofs and pavement, not on the air.
Peak surface temperature. These values fall on roofs and pavement, not on the air.
Borough-wide average. Venustiano Carranza, Iztacalco, Azcapotzalco and Iztapalapa concentrate the heat; Magdalena Contreras and Cuajimalpa, the cool.
Borough-wide average. Venustiano Carranza, Iztacalco, Azcapotzalco and Iztapalapa concentrate the heat; Magdalena Contreras and Cuajimalpa, the cool.

Mexico City
Mexico City
Venustiano Carranza
Venustiano Carranza
Iztacalco
Iztacalco
Azcapotzalco
Azcapotzalco
Iztapalapa
Iztapalapa
Cuauhtémoc
Cuauhtémoc
Tláhuac
Tláhuac
Gustavo A. Madero
Gustavo A. Madero
Coyoacán
Coyoacán
Benito Juárez
Benito Juárez
Miguel Hidalgo
Miguel Hidalgo
Xochimilco
Xochimilco
Álvaro Obregón
Álvaro Obregón
Tlalpan
Tlalpan
Milpa Alta
Milpa Alta
Cuajimalpa de Morelos
Cuajimalpa de Morelos
La Magdalena Contreras
La Magdalena Contreras