Dhaka’s Air Quality Again World’s Worst

Desk Report

Published: 01 Feb 2024, 10:26 am

A woman trying to protect herself from dust || File Photo

A woman trying to protect herself from dust || File Photo

Dhaka has once again topped the list of cities worldwide with the worst air quality. The AQI score of Dhaka’s air quality was 254 at 9 am on Thursday (February 01, 2024).

Dhaka’s air was classified as “very unhealthy”, posing serious health risks to residents, according to the air quality index.

Ghana’s Accra, India’s Mumbai and Nepal’s Kathmandu occupied the second, third and fourth spots on the list, with AQI scores of 191, 179 and 173, respectively.

When the AQI value for particle pollution is between 101 and 150, air quality is considered “unhealthy for sensitive groups”, between 150 and 200 is “unhealthy”, between 201 and 300 is said to be “very unhealthy”, while a reading of 301+ is considered “hazardous”, posing serious health risks to residents.

The AQI, an index for reporting daily air quality, informs people how clean or polluted the air of a certain city is and what associated health effects might be a concern for them.

The AQI in Bangladesh is based on five 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 World Health Organization (WHO), air pollution kills an estimated seven million people worldwide every year, mainly due to increased mortality from stroke, heart disease, chronic obstructive pulmonary disease, lung cancer, and acute respiratory infections.

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