The World Health Organization found that average road traffic noise above 53 dB is associated with adverse health effects. In L.A. County, ... according to the noise map.

Noise pollution is a major health concern in cities worldwide. These audible maps show you just how bad it is. About two years ago, Karim Douïeb saw a map of Brussels, where he lived, in a local ...

BOARDMAN — A sound wall along Interstate 680 will reduce freeway noise for many residents, but not all. Those left out are not pleased and say it would not take much to fix the problem.