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05 February 2023


Business Insider Bangladesh

Dhaka air ranks ‘very unhealthy’, 2nd most polluted

UNB || BusinessInsider

Published: 10:46, 23 January 2023  
Dhaka air ranks ‘very unhealthy’, 2nd most polluted

File photo

The air quality of Bangladesh’s capital Dhaka is deemed ‘very unhealthy’ on Monday morning.

With an air quality index (AQI) score of 283 at 9:05am on Monday, Dhaka ranked second in the list of world cities with worst air quality.

An AQI between 151 and 200 is said to be ‘unhealthy’ while 201 and 300 is considered ‘very unhealthy’, and 301 to 400 is considered ‘hazardous’, posing serious health risks to residents.

Uzbekistan’s Tashkent and India’s Delhi occupied the first and third places with AQI of 317 and 227 respectively.

In Bangladesh, the AQI is based on five criteria pollutants—Particulate Matter (PM10 and PM2.5), NO2, CO, SO2 and Ozone.

Dhaka has long been grappling with air pollution issues. Its air quality usually turns unhealthy in winter and improves during the monsoon.

Air pollution consistently ranks among the top risk factors for death and disability worldwide. Breathing polluted air has long been recognised as increasing a person’s chances of developing a heart disease, chronic respiratory diseases, lung infections and cancer, according to several studies.

Nagad