Noise Pollution

Noise Pollution
Types
 Transport noise
• Rail Traffic
• Road Traffic
• Air traffic

 Occupational noise
• All industries
 Neighborhoods noise
• Loud speakers

Noise has become a part of our environment. with the progress in industrial growth, the level of noise has been increasing continuously. In the 19th century the development of steam engine, petrol engine and technological machineries in industries resulted in increasingly noisy environment. In the 20th century this has been furthered accelerated by introduction of diesel engine, turbo prop, and jet engine, hi tech machineries, construction side machineries and increased road traffic. Noise is considered to be one of the dimensions of pollution which leads to degradation of environment and also possess health and communication hazards. They are measured in different units giving varying scale and magnitude. The common scientific acoustic unit is decibel (dB)
Impact
 Permanent hear loss
 Physical and psychological impact