Dhaka ranked first among the world’s most polluted cities on Monday morning, recording an Air Quality Index (AQI) of 167 at 8:13am. The city’s air was classified as “unhealthy,” according to the AQI report. Incheon in South Korea, Yangon in Myanmar, and Seoul in South Korea occupied the second, third, and fourth spots on the list, with AQI scores of 164, 161, and 158... Details