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Lookup NU author(s): Professor Margaret Carol Bell CBEORCiD
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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.
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
