车辆内的空气污染:让一个糟糕的情况变得更糟
Naowarut Charoenca1,2, Stephen L Hamann3, Nipapun Kungskulniti1,2
1Faculty of Public Health, Mahidol University, Bangkok 10400, Thailand.
International journal of environmental research and public health
|November 10, 2023
概括
泰国车辆中的二手烟明显超过世界卫生组织 (WHO) 关于颗粒物 (PM2.5) 的标准. 这项研究强调,迫切需要制定限制汽车内吸烟的政策,以保护公众健康,特别是儿童.
科学领域:
- 环境健康 环境健康
- 公共卫生 公共卫生
- 烟草控制研究研究 烟草控制研究
背景情况:
- 泰国在烟草控制方面取得了进展,根据世卫组织烟草控制框架公约 (FCTC) 实施无烟公共场所.
- 人们对颗粒物 (PM2.5) 造成的空气污染存在担忧,特别是对车辆内的二手烟 (SHS) 的暴露.
- 儿童和青少年特别容易受到SHS的不良影响.
研究的目的:
- 测量泰国典型车辆内部的二手烟 (SHS) 水平,特别是PM2.5.
- 评估不同通风和空调条件对室内空气质量的影响.
- 为制定有关泰国车辆吸烟政策提供证据.
主要方法:
- 在10辆泰国普通车辆 (车,皮卡) 上进行了一项实验研究.
- 实时空气监测仪器在20分钟间隔测量了PM2.5度.
- 在四个条件下进行了测量,包括空气交换和空调 (AC) 使用的变化,以及前座和后座的监控.
主要成果:
- 车辆中的PM2.5平均水平远高于世卫组织指导方针.
- 暴露水平达到49μg/m3 (后座) 和72μg/m3 (前座),这大约是世卫组织24小时标准 (15μg/m3) 的3倍和5倍.
- 最常见的情况 (所有的窗户都关闭了AC/风扇) 导致了最高的暴露水平.
结论:
- 在泰国,汽车吸烟导致危险的高水平的二手烟 (SHS) 暴露.
- 热带气候地区目前的通风做法加剧了室内PM2.5度.
- 建议采取紧急政策干预措施,禁止在车辆中吸烟,以保护公共健康.
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