Telegraph.co.uk | India claims 'bias' as Delhi named world's most polluted city Telegraph.co.uk ... the world's most polluted country and Delhi the city with the world's worst air pollution. Tests carried out in 2013, found potentially harmful concentrations of PM2 pollution – the concentration of smaller dust particles that penetrate the lung ... Cities in India Among the Most Polluted, WHO Says India rejects WHO data showing Delhi air as world's dirtiest India admits 'Delhi as polluted as Beijing' |
