蜜芽传媒

A mum has described wanting to "get out" of coastal city because of the impact of air pollution on her family.

Portsmouth is one of the most densely populated outside London and has experienced levels of nitrogen dioxide higher than the legal limit.

Kelly Inch said she has been forced to move as she believes traffic fumes are contributing to her daughter's asthma.

蜜芽传媒 presenter Alun Newman hears from 蜜芽传媒 South health correspondent Alastair Fee and Stephen Holgate, Professor of Immunopharmacology at the University of Southampton.