在卢旺达基加利的一些小学,室内颗粒物水平的模式和差异
Noel Korukire1, Ana Godson2, Judith Mukamurigo3
1Department of Environmental Health Sciences, University of Rwanda, Rwanda.
Heliyon
|August 22, 2024
概括
卢旺达学校的室内空气质量很差,颗粒物 (PM) 含量超过世卫组织的指导方针. 高暴露地区的学校显示PM2.5和PM10的度较高,影响学生的健康.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 空气质量监测 空气质量监测
背景情况:
- 空气污染,特别是颗粒物 (PM),构成了全球环境和公共卫生挑战.
- 关于卢旺达空气质量的数据有限,在教育环境中了解室内PM度方面存在特殊差距.
- 颗粒物,包括PM2.5和PM10,是具有已知的不良健康影响的关键空气污染物.
研究的目的:
- 通过测量卢旺达基加利小学中颗粒物 (PM2.5和PM10) 度来评估室内空气质量.
- 在不同的学校环境中识别室内PM水平的模式和差异.
- 为了将测量的室内PM度与已建立的空气质量指南进行比较.
主要方法:
- 使用移动空气传感器 (PurpleAir/PA-II-SD) 来收集关于PM2.5和PM10度的实时数据.
- 在干旱季节收集了来自六所选定的小学六个教室的数据.
- 使用克鲁斯卡尔-沃利斯和曼-惠特尼U测试来统计分析学校和组对之间的PM度差异.
主要成果:
- 在学校之间发现室内PM2.5 (H(5) =41.01,p<0.001) 和PM10 (H(5) =38.5,p<0.001) 度的显著差异.
- 观察到的最大度达到PM2.5的133.6μg/m3和PM10.0的158.5μg/m3.
- 所有采样学校的室内PM2.5和PM10水平都超过世界卫生组织 (WHO) 的空气质量指南,高暴露区域的学校的水平更高.
结论:
- 在被研究的卢旺达小学里,室内空气质量受到颗粒物严重影响.
- 位于环境污染水平较高的地区的学校室内空气质量较差.
- 建议采取紧急干预措施,改善学校的空气质量,保护学生和工作人员的健康.
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