Dhaka, Apr 21 (UNB)-Dhaka, the overcrowded capital city of Bangladesh, has ranked 16th on the list of cities with the worst air quality with an AQI index of 96 at 9am this morning (April 21, 2024).

Today’s air was classified as 'moderate', usually sensitive individuals should consider limiting prolonged outdoor exertion, according to the air quality.

When the AQI value for particle pollution is between 50 and 100, air quality is considered ‘moderate’, usually sensitive individuals should consider limiting prolonged outdoor exertion, 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.

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China’s Beijing, India’s Delhi and Nepal’s Kathmandu occupied the first, second and third spots in the list, with AQI scores of 167, 165 and 162, respectively.

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.

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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.