Assessment of Indoor Household Air Quality Using SentinAir's Cost-effective Sensor

F. Abulude, Matthew Ojo Oluwafemi, K. M. Arifalo, J. J. Elisha, A. Yusuf
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Abstract

According to the World Health Organization, particulate matter (2.5 m) is responsible for more than 4 million deaths worldwide. In real-time, low-cost sensors have assisted in the measurement of PM indoors. SentiAir, a low-cost instrument used in this study, monitors particulate matter (1, 2.5, and 10), as well as nitrogen dioxide, sulphur dioxide, carbon dioxide, ozone, temperature, and relative humidity. The goal of this study was to place the sensor in a typical household indoor space and evaluate all variables for 30 days as an initial investigation assessment. The sensor's proper procedure was strictly observed. PM1 (17.80 µg/m3), PM2.5 (25.21 µg/m3), PM10 (27.61 µg/m3), CO2 (419.7 ppm), O3 (24.75 ppb), NO2 (66.52 ppb), SO2 (48.04 ppb), temperature (34.1 °C), and humidity were the results (mean) (64%). Once those findings were compared to those of the WHO, it was discovered that PM2.5 and PM10 were well within the 24-hour guideline values of 25 and 50 µg/m3, respectively. However, PM2.5 may pose a risk. Temperature and humidity had a significant impact on the PM and gases. Cooking, especially frying and baking, produced a great increment in PM indoors.
使用SentinAir的高性价比传感器评估室内室内空气质量
根据世界卫生组织的数据,颗粒物质(2.5米)导致全球400多万人死亡。在实时,低成本的传感器有助于室内PM的测量。SentiAir是本研究中使用的一种低成本仪器,可监测颗粒物(1,2.5和10),以及二氧化氮,二氧化硫,二氧化碳,臭氧,温度和相对湿度。本研究的目的是将传感器放置在典型的家庭室内空间,并评估所有变量30天,作为初步调查评估。严格遵守传感器的正确程序。结果为PM1(17.80µg/m3)、PM2.5(25.21µg/m3)、PM10(27.61µg/m3)、CO2 (419.7 ppm)、O3 (24.75 ppb)、NO2 (66.52 ppb)、SO2 (48.04 ppb)、温度(34.1°C)和湿度(平均值)(64%)。将这些结果与世界卫生组织的数据进行比较后发现,PM2.5和PM10分别在25微克/立方米和50微克/立方米的24小时指导值之内。然而,PM2.5可能会带来风险。温度和湿度对PM和气体有显著影响。烹饪,特别是油炸和烘焙,在室内产生了很大的PM增量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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