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Lahore is the world’s most polluted city with a hazardous AQI of 312 and PM2.5 levels 25 times the WHO limit. Read about the Smog Emergency Plan and the health risks of the severe pollution.
  Lahore is the world’s most polluted city with a hazardous AQI of 312 and PM2.5 levels 25 times the WHO limit. Read about the Smog Emergency Plan and the health risks of the severe pollution.