Research Article
Night-Time Decibel Hell: Mapping Noise Exposure Zones and Individual Annoyance Ratings in an Urban Environment in Ghana
Table 4
Night-time noise exposure levels, dose for churches, and risk of hearing loss in neighbourhoods.
| | Neighbourhood | Location | Noise dB(A)* | Dose (%) | 8-hour equivalent noise exposure | Risk of noise-induced hearing loss | | Source | 50 m | 100 m | source | 50 m | 100 m |
| | Taboo Line | Church of Jesus | 80.1 | 85.3 | 72.5 | 10.1% | 33.5% | 1.8% | 75 | Minimal | | Voice of the Lord Evangelical Church | 89 | 81.5 | 64.8 | 78.5% | 14.0% | 0.3% | 83.9 | Some | | Tribe of Judah Ministries International | 101.7 | 78.5 | 74.3 | 1461.7% | 7.0% | 2.7% | 96.6 | Significant |
| | Market Square | Apostolic Church, Ghana | 86.3 | 80.5 | 76.5 | 42.2% | 11.1% | 4.4% | 81.2 | Some | | Musama Disco Christo Church | 100.5 | 81.3 | 74.7 | 1108.8% | 13.3% | 2.9% | 95.4 | Significant | | St. Peter Methodist Church | 83.7 | 69.7 | 61.7 | 23.2% | 0.9% | 0.1% | 78.6 | Minimal | | Grace Assembly (Assemblies of God) | 71.9 | 78 | 74.1 | 1.5% | 6.2% | 2.5% | 66.8 | Minimal |
| | Taifa | Central Assemblies of God | 94.8 | 74.3 | 73.9 | 298.4% | 2.7% | 2.4% | 89.7 | Significant | | Unique Chapel International | 94.7 | 84.2 | 67.6 | 291.6% | 26.0% | 0.6% | 89.6 | Significant |
| | Newtown | Church of Pentecost | 99.5 | 83.3 | 70.5 | 880.7% | 21.1% | 1.1% | 94.4 | Significant | | Global Evangelical Church | 98.5 | 86.9 | 70.7 | 699.6% | 48.4% | 1.2% | 93.4 | Significant | | Liberty Centre Annex (Assemblies of God) | 85.1 | 74.8 | 65.3 | 32.0% | 3.0% | 0.3% | 80 | Some |
| | Christian Village | Presbyterian Church | 82.5 | 70.8 | 63.7 | 17.6% | 1.2% | 0.2% | 77.4 | Minimal | | Church of Pentecost | 97.1 | 83 | 72.5 | 506.8% | 19.7% | 1.8% | 92 | Significant | | Christ Apostolic Church | 94.5 | 91.4 | 83.5 | 278.5% | 136.4% | 22.1% | 89.4 | Significant | | Evangelistic Fire Ministries International | 93.2 | 82.5 | 72.7 | 206.5% | 17.6% | 1.8% | 88.1 | Significant |
| | Zongo Laka | Grace Chapel International | 87.3 | 72.5 | 62.5 | 53.1% | 1.8% | 0.2% | 82.2 | Some |
| | Roman Down | Church of Pentecost | 82.4 | 64.9 | 61.6 | 17.2% | 0.3% | 0.1% | 77.4 | Minimal | | St. Augustine Catholic Church | 80.9 | 73.9 | 64 | 12.2% | 2.4% | 0.2% | 75.8 | Minimal | | Christ Apostolic Church | 100 | 85.1 | 73.1 | 988.2% | 32.0% | 2.0% | 94.9 | Significant |
| | Jericho | Church of Pentecost | 85.7 | 71.2 | 63.7 | 36.7% | 1.3% | 0.2% | 80.6 | Some | | Church of Christ | 82.3 | 75.2 | 64.8 | 16.8% | 24.3% | 0.3% | 77.2 | Minimal | | Christ Apostolic Church | 94.3 | 83.9 | 74.4 | 266% | 209% | 2.70% | 89.2 | Significant |
| | | Equivalent noise exposure level | 98.6 | 88.2 | 77.7 | 7327.8% | 633.10% | 52.10% | | |
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Measurement time per location is 30 minutes and total exposure time is 11.5 hours for the churches.
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