presentation on noise pollution .prepared by me Chulindra Rai from Nepal studied from Jain University.This presentation help us to be aware us the impact of noise pollution.

1. WELCOME TO YOU ALL
PREPARED BY
CHULINDRA RAI

2. NOISE POLLUTION

3. INTRODUCTION
• Noise is unwanted sound considered unpleasant, loud or disruptive to
hearing.
• Noise pollution, also known as environmental noise or sound pollution,
is the propagation of noise with ranging impacts on the activity of
human or animal life, most of them are harmful to us.
• It affect human health and environmental condition.

4. • Noise pollution is measure in
decibel(dB).
Normally sound range above 85 dB
is harmful.

5. Causes of noise pollution
• Industralization
• Transportation

6. • Social events
• Household gadgets

7. • Construction activities
Effects of noise pollution

8. • Physical
Respiratory agitation, racing pulse, high blood pressure,
headaches and, in case of extremely loud, constant
noise, gastritis, colitis and even heart attacks.
• Psychological
Noise can cause attacks of stress, fatigue, depression,
anxiety and hysteria in both humans and animals.
• Sleep and behavioural disorders
Noise above 45 dB stops us from falling asleep or sleeping
properly. Remember that according to the World Health
Organization it should be no more than 30 dB. Loud noise
can have latent effects on our behaviour, causing
aggressive behaviour and irritability.
• Memory and concentration
Noise may affect people's ability to focus, which can lead
to low performance over time. It is also bad for the
memory, making it hard to study

9. Control to reduce noise pollution

10. Using silencer to reduce noise

11. Say no to high sound
Thank you for your valuable time