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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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Reliability Validation of a Low-Cost Particulate Matter IoT Sensor in Indoor and Outdoor Environments Using a Reference Sampler

TL;DR: The main objective of this work is to perform a validation of a particulate matter (PM) sensor (HM-3301) in indoor and outdoor environments to study PM2.5 and PM10 concentrations, and the low-cost sensor is highly correlated with the reference measure, with a very high accuracy value.
Journal ArticleDOI

Using Vehicles’ Rendezvous for In Situ Calibration of Instruments in Fleet Vehicle-Based Air Pollution Mobile Monitoring

TL;DR: The feasibility of in-situ calibration of instruments for fleet vehicle-based mobile monitoring of ultrafine particles (UFPs) and black carbon (BC) by comparing rendezvous vehicles' measurements is examined and the extension of this approach to an instrumented fleet of mobile monitoring vehicles is discussed.
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Nitrogen Dioxide, Greenhouse Gas Emissions and Transportation in Urban Areas: Lessons From the Covid-19 Pandemic

TL;DR: In this article, the authors explored the relationship between transportation, climate change mitigation and ambient levels of air pollutants such as NO2 and showed that rapid changes in transportation use can result in significant decreases in NO2 concentrations.
Proceedings ArticleDOI

Energy-Efficient Air Pollution Monitoring with Optimum Duty-Cycling on a Sensor Hub

TL;DR: It is demonstrated that temporal correlation of pollutant concentration can be exploited to select optimum sampling period of an energy-intensive sensor to reduce sensing energy consumption without losing much information.
Journal ArticleDOI

Airborne Emissions from Mn Ferroalloy Production

TL;DR: In this paper, the authors present a state-of-the-art overview of airborne emissions from manganese ferroalloy production, including greenhouse gases, nitrogen oxides (NOx), sulfurous gases, PAH, airborne particulate matter, and trace elements, including mercury and other heavy metals.
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.
Journal ArticleDOI

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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