Articles | Volume 22, issue 21
Research article
01 Nov 2022
Research article |  | 01 Nov 2022

Are dense networks of low-cost nodes really useful for monitoring air pollution? A case study in Staffordshire

Louise Bøge Frederickson, Ruta Sidaraviciute, Johan Albrecht Schmidt, Ole Hertel, and Matthew Stanley Johnson


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Short summary
Low-cost sensors see additional pollution that is not seen with traditional regional air quality monitoring stations. This additional local pollution is sufficient to cause exceedance of the World Health Organization exposure thresholds. Analysis shows that a significant amount of the NO2 pollution we observe is local, mainly due to road traffic. This article demonstrates how networks of nodes containing low-cost pollution sensors can powerfully extend existing monitoring programmes.
Final-revised paper