Focus Merit

US Air Quality Index: Lahore is the world’s most polluted city

  • Lahore, the cultural capital of Pakistan, has been listed as the world’s most polluted city, according to air pollution data published by the US Air Quality Index (AQI).
  • Lahore listed a particulate matter (PM) rating of 423. New Delhi stood second with a PM of 229, while Nepal’s capital Kathmandu ranked third with a PM of 178.