Decibel levels of a range of sounds

The following list is from Hearing Foundation of Canada.

dB (SPL) Source (with distance)
250 Inside of tornado; conventional or nuclear bomb explosion at 5 m (meters)
180 Rocket engine at 30 m; Krakatoa explosion at 160 km in air
150 Jet engine at 30 m
140 Rifle being fired at 1 m
130 Threshold of pain; train horn at 10 m
120 Rock concert; jet aircraft taking off at 100 m
110 Accelerating motorcycle at 5 m; chainsaw at 1 m
100 Jackhammer at 2 m
90 Loud factory; heavy truck at 1 m
80 Vacuum cleaner at 1m; curbside of busy street
70 Busy traffic at 5 m
60 Office or restaurant inside
50 Quiet restaurant inside
40 Residential area at night
30 Theatre, no talking
10 Human breathing at 3 m
0 Threshold of human hearing (with healthy ears)