Delhi leaves Beijing behind to become world's most polluted city
Delhi leaves Beijing behind to become world's most polluted city
New Delhi: Delhi's air pollution is twice that of Beijing, and the city's air pollution levels have risen 44 per cent since last year. A Yale University study has found Delhi the world's most polluted
China ranks at 118, while South Africa is at 72. Switzerland is right at the bottom of the list at 178, indicating that it's the least polluted country.