Bangladesh Is at the Top in Air Pollution

Bangladesh is at the top in air pollution: The World Air Quality Index

File photo of a person inside a cloud of dust Mehedi Hasan/Dhaka Tribune
File photo of a person inside a cloud of dust Mehedi Hasan/Dhaka Tribune

Bangladesh tops the list of 116 countries with the most polluted air in the world. And Dhaka is the second capital. The World Air Quality Index (AQI) Bangladesh-161 and Dhaka-206 were recorded on Tuesday, March 22, 2022.

According to the World Air Quality Index, the air in Dhaka is very unhealthy these days. Dhaka is also the most polluted city in Bangladesh and Comilla is the cleanest city.

The AQI index, based on daily air quality, informs people about how clean or polluted the air in a particular country and city is and how any health risks may arise for them.

In Bangladesh, AQI is determined based on five types of pollution - particulate matter (PM10 and PM2.5), NO2, CO2, SO2 and ozone (O3).

If the Air Quality Index (AQI) score is 51 to 100, the air quality is considered acceptable. There has been a recent drop in the capital's AQI score to 400.

According to the US Consulate in Dhaka, if this situation exists, the highest score of AQI may exceed 500.

Concerned people say that air pollution is another problem for the city dwellers besides traffic jams. Urban life has become horrible due to excessive pollution. Increasing health risks. Children, the elderly and respiratory patients are most at risk.

Environmentalists have complained that the authorities are not taking any action even though the level of pollution is increasing day by day. Although water was sprinkled around the Dhaka development project in the morning and afternoon, the expected results were not visible. In this situation, the concerned people are talking about the constant supervision of the city corporation in sprinkling water and taking immediate effective steps to restore normal air quality and comfort in life. Many feel that it is necessary to reduce the black smoke of vehicles and curb unplanned construction on a priority basis through integrated initiatives to control the rising levels of pollution.

According to a March 2019 report by the Department of Environment and the World Bank, the three main sources of air pollution in Dhaka are brick fields, vehicle smoke and construction site dust.

According to the United Nations, 9 out of 10 people worldwide breathe in polluted air and an estimated 8 million people die prematurely each year due to air pollution, mainly in low- and middle-income countries.

According to the Health Effects Institute, a US-based research organization, 1 lakh 22,400 people die every year in the country due to air pollution. On the other hand, according to the data of the World Bank in 2016, the average number of deaths due to air pollution in the country is 46 thousand.

According to the United Nations Children's Fund (UNICEF), 300 million children in the world live in areas surrounded by polluted air. Of these, 22 crore are South Asians.

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