Air Quality Index: Dhaka world's 2nd most polluted city ...
Dhaka was ranked second in the list of cities with the worst air quality. The city's air quality index (AQI) was recorded at 159 around 9:15am yesterday, which is considered "unhealthy". Kolkata and Mumbai, cities in neighbouring India, occupied the first and third spots, respectively, with an AQI of 193 and 158.