The intensity of sound is called the sound pressure level and is measured in decibels (dB).  

Normal conversation is measured at around 

50 -70 dB.

Motorcycle, car, leaf blower, lawn mower 

85 – 90 dB

Chainsaw, firecrackers 1

100 – 110dB

Rock concert, disco 

110 – 125db

Pneumatic drill, jet engine at take-off 

119 – 140dB