• Tuesday, Aug 11, 2020
  • Last Update : 01:08 am

Dhaka 8th most polluted city in the world

  • Published at 01:52 pm May 7th, 2018
Dhaka 8th most polluted city in the world
Bangladesh’s capital Dhaka has been ranked as the eighth most polluted city in the world. Dhaka scored 110 in the US Air Quality Index (AQI) on Monday. The air was classified as “unhealthy for sensitive groups.” The index was developed by the Environmental Protection Agency for reporting daily air quality of any city or country. India’s Delhi topped the index with a score of 182, according to AirVisual. Earlier while talking to the Dhaka Tribune, Department of Environment Director (Air quality management) Md Ziaul Haque said: “The quality of air will improve during the monsoon season.” Bangladesh, one of the most densely-populated countries in the world, has been struggling with air pollution for a long time while Dhaka has continued to rank among the most polluted cities. Brick kilns, vehicles run by fuels with higher level sulphur, as well as construction works have been identified as major sources of air pollution. The situation is very serious, experts say, pointing out that five of the top 10 causes of deaths in Bangladesh are related to air pollution. An AQI value over 300 represents hazardous air quality and below 50 the air quality is good. The index is based on the five criteria pollutants regulated under the Clean Air Act– ground-level ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide. The AQI debuted in 1968, when the National Air Pollution Control Administration undertook an initiative to develop an air quality index and to apply the methodology to Metropolitan Statistical Areas.
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