2.4. Air pollution
We used high-resolution air pollution data provided by King's College London as part of the TRAFFIC study to estimate air pollution exposure for each postcode in London. The air pollution model, KCLurban, uses a kernel modelling technique based on a dispersion model (ADMS) taking account of road transport, regulated industrial processes and other diffuse sources (Beevers et al., 2013). The model produced continuous surfaces (20 m × 20 m resolution) of annual mean concentrations for the period 2003–2010 for 12 pollutants (Beevers and Dajnak, 2015a).