Mapped: Which Countries Have the Worst Air Pollution?

[CapitalistCartr]

https://www.visualcapitalist.com/mapped-which-countries-have-the-worst-air-pollution/

[LillianHanna]

On the other "Lahore ranks the most polluted city in the world," according to air pollution data released by the US Air Quality Index on Monday. According to the index, Lahore reported a particulate matter (PM) rating of 423. Pakistan's financial capital Karachi ranked at 7 on the AQI.