Lahore: world’s most polluted city

Lahore: world’s most polluted city

Pakistan’s cultural capital Lahore has once again topped the list of world’s most polluted cities.
New Delhi came in second with a PM of 229, while Nepal’s capital Kathmandu ranked the third-worst city with a PM of 178. Karachi the financial capital of Pakistan ranks 7th.
Colombo, Sri Lanka is ranked 612 in the list of the world’s most polluted cities.
“Lahore ranks the most polluted city in the world,” according to air pollution data released by the US Air Quality Index on   Monday.
The United States Environmental Protection Agency regards air quality satisfactory if the AQI is under 50. Lahore’s AQI fell in the range of 301 and higher, which has been classified as “hazardous”.