Lahore world's most polluted city as air pollution blamed for cutting life expectancy in Pakistan
Islamabad, Oct 29 (IANS) Lahore was named the world's most polluted city on Thursday with an Air Quality Index (AQI) of 419 as reports reveal that air pollution is cutting life expectancy in Pakistan by an estimated 3.9 years and contributes to around 128,000 premature deaths each year.