Journal
SENSORS
Volume 18, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/s18041056
Keywords
air pollution; calibration; environmental monitoring; mobile applications; particulate matter; sensor systems; system testing
Funding
- European Commission through the FP7 Project RE-SIZED (Research Excellence for Solutions and Implementation of Net-Zero Energy City Districts) [621408]
- COST Action [TU1407]
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Recent developments in the field of low-cost sensors enable the design and implementation of compact, inexpensive and portable sensing units for air pollution monitoring with fine-detailed spatial and temporal resolution, in order to support applications of wider interest in the area of intelligent transportation systems (ITS). In this context, the present work advances the concept of developing a low-cost portable air pollution monitoring system (APMS) for measuring the concentrations of particulate matter (PM), in particular fine particles with a diameter of 2.5 mu m or less (PM2.5). Specifically, this paper presents the on-field testing of the proposed low-cost APMS implementation using roadside measurements from a mobile laboratory equipped with a calibrated instrument as the basis of comparison and showcases its accuracy on characterizing the PM2.5 concentrations on 1 min resolution in an on-road trial. Moreover, it demonstrates the intended application of collecting fine-grained spatio-temporal PM2.5 profiles by mounting the developed APMS on an electric bike as a case study in the city of Mons, Belgium.
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