数据中心产生的噪音正成为澳大利亚城市规划中的新问题。这些设施通过冷却系统和备用发电机产生低频噪声，其中内部空气处理单元和发电机的噪音水平可达85分贝以上1，相当于割草机或吹叶机的声音强度1。澳大利亚各州和地区对噪音制定了不同的管控规定，住宅区夜间噪音限制通常在35至40分贝之间1。维多利亚州环保局上月首次以噪音影响为由反对数据中心建设，表明监管部门态度正在转变1。
虽然噪音对健康的潜在风险已引起关注，但现有科学证据尚不足以确立直接因果关系。世界卫生组织指出过度噪声与高血压、心脏病和睡眠中断有关1，听力损伤已被证实在85分贝以上水平会发生1。然而，澳大利亚国家卫生与医学研究委员会2015年的系统评价结论为"没有直接证据表明风电场噪声暴露影响身心健康"1，这表明在符合世界卫生组织指导的噪音限制水平内，当前缺乏证据证明数据中心噪音对健康有直接影响1。在西澳Hazelmere即将启动的数据中心项目中，提案包含64个屋顶冷却器和88台柴油发电机1，可能进一步引发围绕噪音及其健康影响的讨论。
Data centres generate significant noise through their cooling systems and backup power infrastructure, prompting renewed questions about potential health impacts on nearby residents.1 Air handling units and diesel generators within these facilities can produce noise levels exceeding 85 decibels, comparable to the sound of lawnmowers or leaf blowers.1 In Australia, residential areas are typically subject to nighttime noise limits ranging from 35 to 40 decibels across state and territory regulations.1
The World Health Organization has identified excessive noise exposure as a contributing factor to hypertension, heart disease, and sleep disruption.1 However, scientific evidence linking data centre noise specifically to direct health harm remains inconclusive. A 2015 systematic review by Australia's National Health and Medical Research Council concluded that "there is no direct evidence that wind farm noise exposure affects physical and mental health,"1 reflecting current uncertainty regarding data centre noise impacts. Hearing damage is known to occur at sound levels above 85 decibels.1
Recent regulatory action reflects growing community concerns. Victoria's Environmental Protection Authority last month became the first Australian state body to oppose a data centre development, citing noise impacts as the reason.1 A proposed Hazelmere facility in Western Australia planned for 2025 is designed to include 64 rooftop cooling units and 88 diesel generators.1
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