Hearing will decrease

The city of Roe is now a victim of noise pollution. In almost all areas of the city, words are two to three times more than acceptable. If this situation continues, one-third of the population of Dhaka will be affected by some kind of deafness by 2021.

The word volume is called Desibile. According to the World Health Organization, the level of noise in the residential area should be 55 decibels in the day, 45 ° C in the night; Commercial areas are 65 decibels, 55 decibels at night; In the industrial sector, there should be 75 decimals in the day, at night, in 65 decibels. And silence zone or silent areas in the hospital should have 50 doses of noise level in the night.

Work for a Better Bangladesh Trust, a non-government organization, measured the sound of 10 places in Dhaka city, and created an average of one and a half times more than the standard in Dhaka.