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Dhaka's air ‘unhealthy for sensitive groups’ for 3rd consecutive day

GreenWatch Desk Air 2023-10-02, 11:06am

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Dhaka's air quality was categorised as 'unhealthy for sensitive groups' for the third consecutive day this morning.

With an air quality index (AQI) score of 152 at 9:55 am, Dhaka ranked 5th on the list of cities worldwide with worst air quality, according to the AQI.

Pakistan’s Lahore, Indonesia’s Jakarta and India’s Delhi occupied the first three spots on the list, with AQI scores of 170, 161 and 158, 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.

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.

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