Social Event Noise Exposure in Ghana

A study in Kumasi, Ghana, measured noise levels at social events like pubs, churches, weddings, and funerals. The average sound levels at every type of event exceeded the national daytime safety limit for residential areas, with pubs producing continuous high noise and other events reaching levels over 110 decibels.

## How Researchers Measured Urban Noise Pollution

A team from Kwame Nkrumah University of Science and Technology, led by Lyndon N.A. Sackey, conducted a detailed environmental assessment. Their work is published in *Scientific Reports* (PMID: 42432183).

The study focused on five districts within the Kumasi Metropolis: Nhyiaeso, Bantama, Subin, Manhyia North, and Manhyia South. The researchers took noise level measurements at a variety of common social and religious gatherings. These included churches, pubs, weddings, and funerals. To understand the full context, they also recorded environmental variables at each location, such as temperature, humidity, and elevation, to see how these factors might influence how sound travels.

Alongside the physical measurements, the team surveyed the public. They gathered data on community awareness of noise as a pollutant, understanding of its health risks, and attitudes toward potential regulation.

## Social Events Are Major Sources of Excessive Noise

The data revealed a consistent pattern of excessive noise. The Ghana Environmental Protection Agency (EPA) sets a daytime noise limit of 55 decibels (dB) for residential areas. None of the social events stayed within this guideline.

Mean noise levels across all event types ranged from 70 dB to over 110 dB. For comparison, 70 dB is similar to the sound of a vacuum cleaner, while sustained exposure to sounds over 85 dB can cause hearing damage. Levels over 110 dB are comparable to a rock concert or a chainsaw.

Pubs were identified as sources of the highest continuous noise emissions. Churches and funerals, while more variable in their output, also reached equally elevated levels. The researchers noted a correlation between climate and noise: higher temperatures were linked with slightly lower measured noise levels, while higher humidity was associated with higher readings. This suggests local weather conditions can affect how far and how loudly sound carries in an urban environment.

## High Public Awareness Conflicts with Cultural Practice

The survey portion of the study produced a striking contrast. A significant 90.5% of respondents were aware that noise from social events constitutes pollution and poses health risks. An even larger majority, 94.3%, expressed support for stricter regulations to control this noise.

However, this strong theoretical support for change does not translate into action. The researchers identified two major barriers. First, loud noise is deeply embedded in cultural and social practices for events like funerals and church services; it is often seen as a sign of vitality and participation. Second, there is limited enforcement of existing EPA standards, so there are few consequences for exceeding limits. This creates a gap between what people know is harmful and what they feel is socially acceptable or enforceable.

## Implications for Hearing Health and Community Action

Chronic exposure to the noise levels documented in this study is a direct threat to hearing health. Prolonged or repeated exposure to sounds above 85 dB can lead to noise-induced hearing loss, tinnitus (ringing in the ears), and can exacerbate conditions like hyperacusis (increased sound sensitivity). For individuals already managing misophonia, such pervasive environmental noise can significantly increase stress and reduce quality of life.

The study from Kumasi is not an isolated case. It highlights a global urban public health challenge where community tradition and modern health guidelines collide. The authors’ recommendations offer a practical path forward. They advocate for strengthening targeted public education that connects high decibel levels to specific health outcomes like tinnitus and hearing loss. They propose integrating community-based monitoring and regulation, which may be more culturally sensitive than top-down enforcement. Finally, they stress the need to enhance the actual enforcement of the EPA’s noise standards to provide a real incentive for change.

Mitigating urban noise pollution requires addressing it as both an environmental issue and a social one. As research into treatments for hearing disorders advances, parallel efforts to prevent acoustic damage at the community level remain essential. This study provides a clear measurement of the problem and a framework for developing solutions that respect culture while protecting public health.