Issue 5, 2009
From the journal:

Journal of Environmental Monitoring

Mobile monitoring of air pollution in cities: the case of Hamilton, Ontario, Canada

Julie Wallace,*a   Denis Corr,b   Patrick Deluca,a   Pavlos Kanarogloua  and  Brian McCarryc  

* Corresponding authors

a Centre for Spatial Analysis, School of Geography and Earth Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada
E-mail: wallaju@mcmaster.ca

b Rotek Environmental Inc., 42 Keefer Court, Unit 2, Hamilton, Ontario, Canada

c Department of Chemistry, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada

Abstract

Air pollution in urban centres is increasing, with burgeoning population and increased traffic and industry. The detrimental impact on population health has been the focus of many epidemiological studies. Some cities are fortunate to have one, or at most a few, sparsely spaced fixed air quality monitors, which provide much needed daily data. However, fixed monitors do not accurately depict the spatial distribution of air pollution over the extent of an urban area nor can they target areas for focused surveys. We have used mobile monitoring to improve spatial coverage of pollution concentrations over the city of Hamilton, Ontario and to enhance our knowledge of the short-term bursts of pollution to which the population is exposed. Mobile surveys have been carried out in the city of Hamilton, Ontario, Canada since 2005. Results for two pollutants, oxides of nitrogen (NOx) representing traffic sources, and sulfur dioxide (SO2) representing industry sources, are presented. The data demonstrate very high levels of NOx exceeding 600 ppb, near major highways with SO2 levels up to 249 ppb near industrial sources. Both values significantly exceed the hourly maxima recorded by fixed monitors. The results also highlight the effect of wind direction on SO2 and NOx levels, and the affected population in each scenario.

Graphical abstract: Mobile monitoring of air pollution in cities: the case of Hamilton, Ontario, Canada

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Article information

DOI
https://doi.org/10.1039/B818477A
Article type
Paper
Submitted
20 Oct 2008
Accepted
03 Feb 2009
First published
17 Mar 2009

J. Environ. Monit., 2009,11, 998-1003

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Mobile monitoring of air pollution in cities: the case of Hamilton, Ontario, Canada

J. Wallace, D. Corr, P. Deluca, P. Kanaroglou and B. McCarry, J. Environ. Monit., 2009, 11, 998 DOI: 10.1039/B818477A

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