Plate 12 line graph showing variation in noise level Oja Oba
The commercial land use has the highest noise level ranging from 77.0-79.4 dB(A), 81.2-83.7 dB(A) and 86.62-88.7 dB(A) in the morning, afternoon and evening respectively. The highest noise level in the morning was recorded beside Olukayode Adeshida road which was as a result of traffic. The main sources of the noise within the market are mainly from Grinding machines, music players, hawkers, People advertising products using loud speakers, megaphones etc. The Oja oba market also has high noise level due to the population of people in the environment. The highest noise recorded for afternoon noise level was observed at the Olukayode building. This was due to the commercial activities and high population density in the area. This area is known as center of commercial activities in Akure south.
Table 4 Showing Permitted Noise Level at Different Land use.