Dhaka third-most polluted air city

Dhaka ranked third on the list of cities worldwide with the worst air quality with an AQI index of 170 at 10:00am on Friday, reports UNB.
The air was classified as 'unhealthy', according to the air quality index.
India's Delhi and Pakistan's Lahore occupied the first two spots on the list, with AQI scores of 611, 347 respectively.
When the AQI value for particle pollution is between 101 and 150, air quality is considered 'unhealthy for sensitive groups', between 151 and 200 is 'unhealthy', between 201 and 300 is said to be 'very unhealthy', while a reading of 301+ is considered 'hazardous', posing serious health risks to residents.