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Open AccessJournal ArticleDOI

Can commercial low-cost sensor platforms contribute to air quality monitoring and exposure estimates?

TLDR
An exhaustive evaluation of 24 identical units of a commercial low-cost sensor platform against CEN (European Standardization Organization) reference analyzers, evaluating their measurement capability over time and a range of environmental conditions shows that their performance varies spatially and temporally.
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This article is published in Environment International.The article was published on 2017-02-01 and is currently open access. It has received 607 citations till now. The article focuses on the topics: Data quality & Environmental exposure.

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Citations
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Improving accuracy of air pollution exposure measurements: Statistical correction of a municipal low-cost airborne particulate matter sensor network.

TL;DR: This study investigated linear and random forest models to correct PM2.5 measurements from the Denver Department of Public Health and Environment (DDPHE)'s network of low-cost sensors against measurements from co-located U.S. Environmental Protection Agency Federal Equivalence Method monitors.
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Wearable sensors for multifactorial personal exposure measurements - A ranking study.

TL;DR: For the first time, an extensive device inter-comparison and a ranking of the sensors based on performance measures, Taylor diagrams, Bland-Altman plots, and ease-of-use aspects are presented, relevant for future epidemiological studies of multifactorial exposure of individuals and their health.
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Field comparison of electrochemical gas sensor data correction algorithms for ambient air measurements

TL;DR: A comprehensive evaluation of data correction algorithms proposed to tackle the drifting response of ECGS due to environmental factors using a large dataset from field comparisons to examine the robustness of correction algorithms in response to different training and evaluation data period configurations.
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Applicability of Optical and Diffusion Charging-Based Particulate Matter Sensors to Urban Air Quality Measurements

TL;DR: In this article, the performance of a custom-built optical instrument (PAS; uses Shinyei PPD60PV and PPD42NS sensor modules) and three commercial diffusion charging-based sensors (Pegasor AQ Urban, DiSCmini and Partector) was evaluated against reference instruments.
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3D monitoring and modelling of air quality for sustainable urban port planning: Review and perspectives

TL;DR: A set of effective criteria for developing a 3D air quality monitoring and modelling, which might be applied in the context of urban port management and planning is reviewed and the potentiality of such an approach as a first component for local environmental management systems is unveiled.
References
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Toxic Potential of Materials at the Nanolevel

TL;DR: The establishment of principles and test procedures to ensure safe manufacture and use of nanomaterials in the marketplace is urgently required and achievable.
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Respiratory effects are associated with the number of ultrafine particles.

TL;DR: The present study suggests that the size distribution of ambient particles helps to elucidate the properties of ambient aerosols responsible for health effects.
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The Changing Paradigm of Air Pollution Monitoring

TL;DR: Air pollution monitoring paradigm is rapidly changing due to recent advances in the development of portable, lower-cost air pollution sensors reporting data in near-real time at a high-time resolution, increased computational and visualization capabilities, and wireless communication/infrastructure.
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The use of electrochemical sensors for monitoring urban air quality in low-cost, high-density networks

TL;DR: It is shown that miniature, low-cost electrochemical gas sensors can, when suitably configured and operated, be used for parts-per-billion level studies for gases relevant to urban air quality, and that measurement networks with higher resolution are required to quantify air quality at the scales which are present in the urban environment.
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