The first “noise map” appeared in the USA: we compare New York and New Jersey
US Bureau of Transportation Statistics released first "noise map" It shows the noise level in certain cities or areas. First of all, severe noise pollution is associated with the presence of airports and highways located in the city.
Experts have found that New York is on the list of the loudest cities in the United States. However, residents suffer more from so-called domestic noise rather than from external noise. It turned out that New York's closest neighbor, New Jersey, was in a worse situation. The authors of the map claim that the high level of noise pollution here depends on the huge amount of air and ground transport.
The table below helps to understand the permissible noise levels. These figures gathered site blogozdorovie.ru.
- Speaking ranges from 45 to 60 decibels (dB), depending on the volume of the voice;
- The car horn reaches 120 decibels (dB);
- High traffic noise - up to 80 decibels (dB);
- Children's crying - 80 decibels (dB);
- The noise of the work of a variety of office equipment, vacuum cleaner - 80 decibels (dB);
- The noise of a running motorcycle train - 90 decibels (dB);
- The sound of dance music in a nightclub - 110 decibels (dB);
- The noise of an airplane flying over - 140 decibels (dB);
- Noise repair work - up to 100 decibels (dB);
- Cooking on the stove - 40 decibels (dB);
- Forest noise from 10 to 24 decibels (dB);
- The deadly noise level for a person, the sound of an explosion is 200 decibels (dB).
If the noise level reaches 70-90 decibels (dB) and lasts quite a long time, then such noise with prolonged exposure can lead to diseases of the central nervous system. And prolonged exposure to noise levels of more than 100 decibels (dB) can lead to a significant decrease in hearing up to complete deafness.
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