Plate 4 line graph showing variation in noise level in FUTA With the observed trend of high noise values from the line graph, the morning recorded the least noise levels. The mapped values range between 41.7 dB(A) to 76.5 dB(A) for morning, 41.3 dB(A) to 79.3 dB(A) for afternoon and 43.6 dB(A) to 79.5 dB(A) depicting lower and higher limits for the period. South gate and north gate were recorded as places with highest value which was due to the bus stop at the two gates hereby causing noise pollution for the land use. Malu road and Botanical garden has the lowest noise level due to the closeness to thick vegetation (forest). The school of engineering and engineering (SEET) building was assessed for morning afternoon, and evening period, the average noise levels are 63.4 dB(A) ,66.2 dB(A) ,65.6 dB(A) respectively. ETF, 1000 LT, 2 in 1, SET and SOS building. It is found that the noise levels in the lecture theater are above the threshold limits of 55 dB(A) man can be exposed to due to the operations carried out in the area. This noise is due to the high population of students in the area. From the line graph above, it shows that the highest noise value is in the evening and the places with highest occurrences noise pollution is in the morning. Plate 5 to plate 7 shows the spatial distribution of noise levels in the selected areas within Ijoka for morning, afternoon and evening respectively. The colors denote the increase in noise levels (decibel) which are represented from green to yellow on the thematic map. Plate 8 shows the line graph which denotes the noise peak and statistical analysis of the noise data.
3.2 Detailed Noise Levels in Ijoka(Residential)