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Air quality in Dhaka still ‘unhealthy’ - EN-vinnabarta

Air quality in Dhaka still ‘unhealthy’

Vinnabarta Desk
  • Update Time : Saturday, March 18, 2023
  • 63 Time View

The air quality in Bangladesh capital Dhaka continued to be in the ‘unhealthy’ zone on Saturday morning.

With an air quality index score of 158 at 9:03 am, Dhaka ranked seventh in the list of cities worldwide with the worst air quality.

An AQI between 101 and 200 is considered ‘unhealthy’, particularly for sensitive groups.

Iraq’s Baghdad, Myanmar’s Yangon and and India’s Kolkata occupied the first three spots in the list, with AQI scores of 185, 163 and 162, respectively.

An AQI between 201 and 300 is said to be ‘poor’, while a reading of 301 to 400 is considered ‘hazardous’, posing serious health risks to residents.

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.

As per the World Health Organization, 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.