Assessment and Analysis of Traffic Noise Pollution in Alexandria City, Egypt

This paper presents the results obtained in a study of environmental noise pollution in Alexandria city. Alexandria is a coastal city. It is the second largest city in Egypt. Thirty seven sampling sites were selected to measure the noise level at three main streets in the city (Elgish Street, Horreya Avenue and Circular Highway). The minimum noise levels recoded at Elgish Street, Horreya Avenue and Circular Highway were 58.4, 48.6 and 40.2 dB, respectively. The maximum values were close to 101 dB. The long-term annoyance was calculated based on the day-evening-night level (L ). The mean values of L were more accurate if the day DEN DEN and night time is divided into three intervals. Relative frequency distribution and cumulative relative frequency distribution are used for assessing noise levels. The noise level exceeding 10% of the measurement time (L ) 10 were 92, 88, 97 dB at Elgish Street, Horreya Avenue and Circular Highway, respectively. The noise levels exceeding 90% of the measurement time (L ) were 67, 62 and 57 dB at the same streets. The noise level at three 90 streets in the day and evening times are higher than the permissible limits according to Egyptian Environmental Law 4/94. The levels at Horreya and Circular Highway at the night time are lower than the permissible limits. The diurnal variation was studied at the three streets.