The various types of pollution include air pollution, water pollution and noise pollution. Air pollution arises due to chemical emissions during combustion processes. Water pollution can occur when industrial effluents are released into rivers.
The basic reason for noise pollution is we can hear the sound within limits of 20 to 20000 decibels only. Sounds occur above the limit we cannot hear normally, this is called as Noise pollution. Friction of parts, High decibel speakers are the examples for occurring noise pollution.