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A personalized air quality sensing system - a preliminary study on assessing the air quality of London underground stations

机译：个性化空气质量传感系统 - 评估伦敦地铁站空气质量的初步研究

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Recent studies have shown that air pollution has a negative impact on people’s health, especially for patients with respiratory and cardiac diseases (e.g. COPD, asthma, ischemic heart disease). Although the re are already many air quality monitoring stations in major cities, such as London, these stations are sparsely located, and the periodic collection of information is insufficient to provide the granularity needed to assess the environmental risk for an individual (e.g. to avoid exacerbation). Wearable devices, on the other hand, are more suitable in this context, providing a better estimation of the air quality in the proximity of the person. Therefore, relevant warnings and information on health risks can be provided in real-time. As a proof of concept, we have developed a wearable sensor for continuous monitoring of air quality around the user, and a preliminary study was conducted to validate the sensor and assess the air quality in London underground stations. Based on the PM2.5 (particulate matter with a diameter of 2.5μm), temperature and location information, a model is generated for predicting the air quality of each station at different times. Our preliminary results have shown that there are significant differences in air quality among stations and metro lines. It also demonstrates that wearable sensors can provide necessary information for users to make travel arrangements that minimize their exposure to polluted air.
机译：最近的研究表明，空气污染特别是对患者的呼吸和心脏疾病，对人们的健康产生不利影响，（例如慢性阻塞性肺病，哮喘，缺血性心脏疾病）。虽然重已经有很多的空气质量监测主要城市，如伦敦站，这些站稀疏分布，以及信息的定期收集不足以提供给评估个人的环境风险所需的粒度（例如，以避免加重）。可穿戴式设备，在另一方面，是更适合于这种情况下，在人的附近提供所述空气质量的更好估计。因此，对健康风险相关的警告和信息可实时提供。作为概念证明，我们已经制定了连续监测周围的用户空气质量的可穿戴式传感器，并进行了初步的研究，以验证传感器和评估在伦敦地铁站的空气质量。基于所述PM2.5（直径2.5μm左右的颗粒物质），温度和位置信息，被用于在不同的时间预测每个站的空气质量产生的模型。我们的初步结果显示，有站和地铁线路之间的空气质量显著差异。这也表明，穿戴式传感器能提供必要的信息，为用户安排行程，最大限度地减少其暴露在污染的空气。

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