The infiltration of wildfire smoke and its potential dose on pregnant women: Lessons learned from Indonesia wildfires in 2019.
The infiltration of wildfire smoke and its potential dose on pregnant women: Lessons learned from Indonesia wildfires in 2019.
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DOI：
10.1016/j.heliyon.2023.e18513
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发表时间：
2023-08
期刊：
影响因子：
4
通讯作者：
Suri, Wiranda
中科院分区：
文献类型：
--
作者：
Ardiyani, Vissia;Wooster, Martin;Grosvenor, Mark;Lestari, Puji;Suri, Wiranda
印度尼西亚的野火在干旱季节很普遍。野火释放的多种有毒污染物对孕妇有有害影响。然而，这些对孕妇的证据被低估了。该研究对2019年野火季节期间Palangka Raya的9个低收入家庭和2019年非野火季节期间的6个低收入家庭的室内和室外细颗粒物（PM2.5）浓度进行了24小时监测。2019年7月至10月期间，170名孕妇使用个人监测器评估了PM暴露。据观察，室外空气污染物水平高于没有室内污染源的室内。研究结果表明，室内PM2.5浓度比室外高出1.2倍，这表明建筑物只能部分保护人们免受野火的影响。结果表明，木质材料的住宅室内PM2.5浓度高于砖房。研究结果表明，8/12砖房表现出显着的RI/O24 h小于1在野火期间，而所有的I/O24 h比值在非野火季节>1，这表明室内源的影响。根据对每日PM2.5剂量的估计，孕妇在包括烹饪在内的久坐活动期间接受了约21%的每日总剂量。目前的研究提供了经验支持的观点，即低收入家庭的室内空气质量受到一系列复杂因素的影响，包括野火烟雾，气密性和居住者行为。此外，这种情况更可能是孕妇暴露于野火烟雾的潜在风险。
The occurrence of wildfires in Indonesia is prevalent during drought seasons. Multiple toxic pollutants emitted from wildfires have deleterious effects on pregnant women. However, the evidence for these on pregnant women was underreported. The study conducted 24-h monitoring of fine particulate matter (PM2.5) concentrations indoors and outdoors in 9 low-income homes in Palangka Raya during the 2019 wildfire season and 6 low-income homes during the 2019 non-wildfire season. A hundred and seventy pregnant women had their PM exposure assessed between July and October 2019 using personal monitors. It was observed that outdoor air pollutant levels were greater than those found indoors without indoor sources. The findings indicate that indoor PM2.5 concentrations were modestly increased by 1.2 times higher than outdoor, suggesting that buildings only partially protected people from exposure during wildfires. The concentrations of PM2.5 were found to be comparatively higher indoors in residential buildings with wood material than in brick houses. The study findings indicate that 8 out of 12 brick houses exhibited a notable RI/O24 h of less than 1 during the wildfires, whereas all I/O24 h ratios during the non-wildfire season were >1, suggesting the influence of indoor sources. Based on the estimation of daily PM2.5 dose, pregnant women received around 21% of their total daily dose during sedentary activity involving cooking. The present research offers empirical support for the view that indoor air quality in low-income households is affected by a complex combination of factors, including wildfire smoke, air tightness, and occupant behaviour. Also, this situation is more likely a potential risk to pregnant women being exposed to wildfire smoke.
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