Author: Nazgul Temirov

Dhaka has once again topped the list of world cities with the worst air quality on Christmas morning. With an air quality index (AQI) score of 374 at 9am today, Dhaka ranked first in the list of cities with worst air. An AQI between 201 and 300 is said to be ‘very unhealthy’, while a reading of 301 to 400 is considered ‘hazardous’, posing serious health risks to residents. India’s Delhi and Kyrgyzstan’s Bishkek occupied the second and third spots in the list, with AQI scores of 238 and 225, respectively. In Bangladesh, the AQI is based on five criteria…