01
Tree canopy · 2024
Highest published value in this view
58.1%
Hampstead Town
London median: 16%
GLA 2024 tree-canopy cover across current wards.
Explore How green is your ward? →Environment · data story
Cooling the city
Tree canopy and green cover do not fall evenly across the neighbourhoods most vulnerable to heat.
Cooling the city
The evidence
What the current releases show
Updated 1 Aug 2026
02
Heat vulnerability · 2024
Highest published value in this view
52 risk score
Enfield 030D
London median: 37 risk score
The GLA’s relative neighbourhood heat-risk measure.
Explore London's climate vulnerability →03
Modelled NO₂ · 2022
Highest published value in this view
38 µg/m³
500 m cell 1017, 352
London median: 19.9 µg/m³
LAEI annual mean nitrogen dioxide on the shared 500 m grid.
Explore The air between the sensors →Trace the claims
Sources and records
Keep following the evidence
Continue reading
Environment · 4 evidence sets
The household footprint we can see
Bins, meters and certificates reveal parts of urban consumption—never the whole footprint.
Read next →Housing · 3 evidence sets
The rent-pay trap
The same rent is a very different burden depending on where London pay lands.
Read next →People · 3 evidence sets
A child’s London
School eligibility, family income and overcrowding reveal different dimensions of pressure on children.
Read next →