Dhaka’s Air Continues To Be Most Polluted in the World

File Photo

File Photo

Dhaka has again topped the list of cities around the world with the worst air quality on Thursday morning.

With an air quality index (AQI) score of 297 at 8:50 am, Dhaka ranked first in the list of cities with most polluted air, reports UNB.

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

Iraq’s Baghdad and Myanmar’s Yangon occupied the second and third places with AQI of 238 and 193 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.

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