Imperial College London
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ProfessorFrankKelly

Faculty of Medicine, School of Public Health

Battcock Chair in Community Health and Policy
 
 
 
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Contact

 

+44 (0)20 7594 8098 ext 48098frank.kelly Website

 
 
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Location

 

Sir Michael Uren HubWhite City Campus

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Summary

 

Publications

Citation

BibTex format

@article{Hedges:2023:10.1016/j.atmosenv.2023.120160,
author = {Hedges, M and Priestman, M and Chadeau-Hyam, M and Sinharay, R and Kelly, FJ and Green, DC},
doi = {10.1016/j.atmosenv.2023.120160},
journal = {Atmospheric Environment},
title = {Characterising a mobile reference station (MoRS) to quantify personal exposure to air quality},
url = {http://dx.doi.org/10.1016/j.atmosenv.2023.120160},
volume = {315},
year = {2023}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - There is increasing clinical, epidemiological, and toxicological evidence linking exposure to air pollution with multiple health outcomes that lead to increased mortality and morbidity. Traditionally, fixed air quality monitors have been used to provide ambient air pollution measurements, but they have spatial and temporal limitations. Rapid advances in instrument miniaturisation have made novel sensing technologies more accessible but these are prone to high sensitivity and inaccuracies. To bridge the gap between fixed monitors and small sensors we have developed a Mobile Reference Station (MoRS) – a portable platform delivering high quality measurements of air pollutants using smaller, low power reference grade instruments at high time resolutions. MoRS enables the simultaneous measurement of a broad aerosol size distribution (10 nm–35 μm), gaseous pollutant concentrations (nitrogen dioxide (NO2) and ozone (O3)), environmental parameters (noise, relatively humidity (RH) and temperature) as well as collecting filter samples for laboratory analysis. The MoRS instrumentation is described and the major challenges in ensuring that high data quality standards are maintained are discussed. Laboratory and field tests were used to derive scaling factors for all the MoRSinstrumentation. Field testing of MoRS showed excellent intercomparability against reference instrumentation (R2 > 0.98) and good agreement with reference instruments in the ultrafine aerosol range, although there was an overestimation of fine particle aerosols. Measurements taken during example mainline train and London Underground (LU) journeys are displayed showing the value of the high-quality data derived from MoRS and how this can help to disentangle multiple confounding environmental pollutants and enrich epidemiological studies.
AU  - Hedges,M
AU  - Priestman,M
AU  - Chadeau-Hyam,M
AU  - Sinharay,R
AU  - Kelly,FJ
AU  - Green,DC
DO  - 10.1016/j.atmosenv.2023.120160
PY  - 2023///
SN  - 1352-2310
TI  - Characterising a mobile reference station (MoRS) to quantify personal exposure to air quality
T2  - Atmospheric Environment
UR  - http://dx.doi.org/10.1016/j.atmosenv.2023.120160
UR  - http://hdl.handle.net/10044/1/107772
VL  - 315
ER  -
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