These are often loud enough to add to your risk, according to our own tests of everyday products and published research on a variety of environments.

Hair dryers

77 to 92 decibels

Lawn and yard equipment

86 to 99 decibels

Bars and restaurants

50 to 90 decibels

Movie theaters

72 to 104 decibels

Aerobics classes

78 to 106 decibels

Rock concerts

89 to 120 decibels

Sporting events

89 to 115 decibels

Airplane cabins

72 to 86 decibels

New York subway

83 to 112 decibels