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The rise of low-cost sensing for managing air pollution in cities

Lookup NU author(s): Professor Margaret Carol Bell CBE

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Abstract

Ever growing populations in cities are associated with a major increase in road vehicles and air pollution. The overall high levels of urban air pollution have been shown to be of a significant risk to city dwellers. However, the impacts of very high but temporally and spatially restricted pollution, and thus exposure, are still poorly understood. Conventional approaches to air quality monitoring are based on networks of static and sparse measurement stations. However, these are prohibitively expensive to capture tempo-spatial heterogeneity and identify pollution hotspots, which is required for the development of robust real-time strategies for exposure control. Current progress in developing low-cost micro-scale sensing technology is radically changing the conventional approach to allow real-time information in a capillary form. But the question remains whether there is value in the less accurate data they generate. This article illustrates the drivers behind current rises in the use of low-cost sensors for air pollution management in cities, while addressing the major challenges for their effective implementation. (C) 2014 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Kumar P, Morawska L, Martani C, Biskos G, Neophytou M, Di Sabatino S, Bell M, Norford L, Britter R

Publication type: Review

Publication status: Published

Journal: Environment International

Year: 2015

Volume: 75

Pages: 199-205

Print publication date: 01/02/2015

Online publication date: 05/12/2014

Acceptance date: 28/11/2014

ISSN (print): 0160-4120

ISSN (electronic): 1873-6750

Publisher: PERGAMON-ELSEVIER SCIENCE LTD

URL: http://dx.doi.org/10.1016/j.envint.2014.11.019

DOI: 10.1016/j.envint.2014.11.019


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