Pollution hotspots revealed by new air quality tool

Concentrations of toxic contaminants in the air where you live and work in the UK can now be checked, thanks to a new tool.Postcodes have been ranked based on nitrogen dioxide levels recorded by a firm that measures and models air pollution.Diesel vehicles are a major source of the gas, which has been linked to respiratory disease.The app reveals that Hyde Park Corner and Marylebone Road in London have the most polluted postcodes, while areas near east London’s Blackwall Tunnel were also rank...