Research Article

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

Table 5

Lebanese ambient noise limits for intensity in commercial areas.

ComparisonMean average of noise standard dBA

1999 WHO-Study55–65*
2010 IFI-Study62-72* (12% sound dB and 400% increase in noise intensity)

*7:00 a.m. to 6:00 p.m.