The amount of contaminated particles was 177 in Lahore and 175 in Karachi. Photo: File
Karachi: Lahore topped the list of the world’s most polluted cities, followed by Karachi.
According to the Air Quality Index, Lahore was ranked first and Karachi was ranked second in the list of the most polluted cities in the world on Wednesday morning.
Delhi ranks third among the world’s most polluted cities, with 151 to 200 degrees of pollution hazardous to health, 201 to 300 degrees of pollution extremely dangerous to health and more than 301 degrees of hazardous pollution.