The World Health Organization identified noise-induced hearing impairment as the most prevalent irreversible occupational hazard.
The number of categories of adverse health effects of noise pollution identified by the World Health Organization. They include hearing impairment, interference with spoken communication, sleep disturbances, cardiovascular disturbances, mental health disturbances, impaired task performance, negative social behavior and annoyance reactions.
Decibel level of normal conversation.
Percentage of population in the European Common Market that is exposed to unhealthy levels of transportation noise.
Percentage of farm workers who have some kind of hearing problem from long-term exposure to loud equipment.
Decibel level of a power lawnmower.
Decibel level of a leaf blower.
Decibel level of a motorcycle.
Maximum decibel output of a stereo.
Decibel level of a snowblower.
Decibel level of a crying baby.
Decibel level of a nearby thunderclap.
The decibel level regarded as the threshold for pain. Continuous noise in excess of 30 decibels disturbs sleep.
Decibel level of a firecracker and a jet engine on takeoff.
Decibel level of a handgun.
The year a World Health Organization working group concluded that noise is a major threat to human well being.
The year Congress passed the Noise Control Act, which declared “…it is the policy of the United States to promote an environment for all Americans free from noise that jeopardizes health and welfare.”
The year the government pulled federal funding for the Office of Noise Abatement and Control. The lack of funds for the federal program threw the responsibility for noise control on states, which have had a generally poor record of noise abatement.
Number of Americans who suffer from tinnitus.
Sources: Southern Medical Journal, nonoise.org, National Institutes of Health,