How clean is YOUR air? UK pollution hotspots are revealed using a new tool that lets you check toxic nitrogen dioxide levels where you live and w

App rates your area from one to six based on the presence of the toxic gas
It reflects the likelihood the area will break the legal limit for nitrogen dioxide
Diesel vehicles are a major source and it has been linked to respiratory disease
Three quarters of the UK’s worst areas for air pollution are in London

[link to www.mr-mehra.com]