Involuntary and Persistent Environmental Noise Influences Health and Hearing in Beirut, Lebanon

Table 3

1999 WHO assessment of community noise problem in greater Beirut area.

Land use	Noise standard dBA
	Day time*	Evening time**
Commercial, administrative, or downtown	55–65	50–60
Residential/commercial centers on highways	50–60	45–55
City residential areas	45–55	40–50

*7:00 a.m. to 6:00 p.m., **6:00 p.m. to 10:00 p.m.
Lebanese ambient noise limits for intensity in different land use zones [14, 15].