KARACHI: (HRNW) Karachi ranked fourth most polluted city of the world on the Air Quality Index (AQI) as winds from Balochistan blowing towards the city.
Karachi was measured to have 187 reading of particulate matter on the air quality index.
Dhaka, Bangladesh’s capital city, remained the most polluted city in the world with 340 reading of particulate matter on the AQI. Indian capital Delhi ranked second with 270 reading on the air quality scale.
It is to be mentioned here that AQI as high as 151-200 is considered unhealthy, while an AQI reading between 201 to 300 is more harmful and AQI rate over 300 mark is extremely hazardous.