New era | Dhaka becomes the 7th most polluted city with an AQI score of 132

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Dhaka ranks 7th on the list of cities worldwide with the worst air quality with an AQI score of 132 at 9am on Wednesday morning.

The air in Dhaka was classified as ‘unhealthy for sensitive groups’ according to the air quality index.

Pakistan’s Lahore, India’s Delhi and Kinshasa in the Democratic Republic of Congo occupy the first, second and third places on the list, with AQI scores of 220, 190 and 170 respectively.

When the AQI value for particulate matter is between 50 and 100, the air quality is considered ‘moderate’, between 101 and 150 the air quality is considered ‘unhealthy for sensitive groups’, between 150 and 200 it is ‘unhealthy’. ‘, between 201 and 300 It is said to be ‘very unhealthy’, while a value of 301 and above is considered ‘dangerous’, posing serious health risks to residents.

The AQI, an index for reporting daily air quality, informs people how clean or polluted a given city’s air is and what associated health effects may 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 been suffering from air pollution problems for a long time. The air quality usually becomes unhealthy in winter and improves during monsoon.

According to the World Health Organization, 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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