According to the Annual Frontier Report, 2022 published by United Nations Environment Programme observes that Bangladesh’s Dhaka is the noisiest city in the world.
Noise pollution limit by WHO –
Residential area -55 dB
Traffic and business sectors – 70 dB
Top 5 noise polluter – Dhaka (Bangladesh), Moradabad (UP, India), Islamabad (Pakistan), Rajshahi (Bangladesh), Ho Chi Minh City (Vietnam). Top 5 quietest cities – Irbrid at 60 dB, Lyon, Madrid, Stockholm, and Belgrade.