Name of school

Period

Outdoor Average Noise Level (dB)

Indoor Average Noise Level (dB)

LAeq

Lmax

Lmin

LAeq

Lmax

Lmin

Permissible Noise Limit

55

35

K.O. Methodist Cluster of Schools

Morning

(8:00 - 11:00)

78.6

(42.9%)

86.7

67.7

71.9

(105.4%)

Afternoon

(11:00 - 14:00)

76.0

(38.1%)

71.6

(104.6%)

94.6

62.5

Evening

(14:00 - 16:00)

77.7

(41.2%)

72.7

(107.7%)

New Amakom M/A School

Morning

(8:00 - 11:00)

73.1

(32.9%)

85.5

60.0

66.9

(91.1%)

88.5

55.5

Afternoon

(11:00 - 14:00)

72.5

(31.8%)

68.6

(96%)

Evening

(14:00 - 16:00)

72.9

(32.5%)

66.8

(90.9%)

Weweso M/A School

Morning

(8:00 - 11:00)

71.6

(30.2%)

80.1

64.1

68.3

(95.1%)

Afternoon

(11:00 - 14:00)

73.0

(32.7%)

71.6

(104.5%)

92.1

44.7

Evening

(14:00 - 16:00)

73.7

(34.0%)

68.8

(96.6%)

KNUST JHS

Morning

(8:00 - 11:00)

54.3

(−1.2%)

76.0

41.4

60.0

(71.4%)

72.3

44.4

Afternoon

(11:00 - 14:00)

55.8

(1.4%)

57.4

(64.6%)

Evening

(14:00 - 16:00)

56.5

(2.7%)

59.2

(69.1%)