Dhaka tops list of cities with worst air quality

With an air quality index (AQI) score of 211 Tuesday, 3 January,2023 morning, Dhaka ranked 3rd in the list of world cities with the worst air quality.UNB

Dhaka has topped the list of cities around the world with the worst air quality on Sunday morning, UNB reports.

With an air quality index (AQI) score of 285 at 9:30 am on Sunday, Dhaka ranked first in the list of cities with worst air.

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.

India’s Delhi, Bishkek of Kyrgyzstan occupied the second and third places with an AQI of 193 and 190 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.

As per the World Health Organization (WHO), air pollution kills an estimated seven million people worldwide every year, largely as a result of increased mortality from stroke, heart disease, chronic obstructive pulmonary disease, lung cancer and acute respiratory infections.