Table 2 shows the noise level computation for the selected commercial areas. The analysis shows that Ijomu has the highest noise level, which recorded 75.1 dB(A) in the morning, 78.6 dB(A) in the afternoon and 70.4 dB(A) in the evening. The high noise level recorded in the morning was due traffic congestion. Erekesan market has the lowest noise level of 61.5 dB(A) in the morning, 68.0 dB(A) in the afternoon and 69.8 dB(A) in the evening. It was observed that most of the selected areas exceed the recommended permissible noise limit for commercial zones of 65 dB(A) and 55 dB(A) for afternoon and evening respectively.
Table 2 Noise levels in selected areas within Olukayode market