High density air quality network at Cambridge and London Heathrow Airport: first results and interpretations

Rod Jones, O.M.A. Popoola, M.I. Mead, Viviene Bright, Robin North, G.B. Stewart, Paul H. Kaye, C. Hueglin, M. Mueller, D. Curruthers, John Saffell

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    Abstract

    We have shown in previous studies the utility of low-cost electrochemical sensors in monitoring air quality pollutants including CO, NO and NO2 in an urban environment. Such low cost sensors for gas phase species and others for particulates are now increasingly becoming available for inclusion in low cost air quality monitoring networks.
    In this paper we show results from two network deployments, one involving CO, NO and NO2 and temperature in a 46 node network around Cambridge and a second, including additionally O3, SO2, VOCs, CO2 as well as size-speciated particulates (0.38 to 17.4 µm) and relative humidity, wind speed and direction which is currently deployed (40 nodes) around Heathrow airport.
    For the Cambridge deployment we show how the use of a network permits discrimination between near-field and far field emissions, and compare network results with calculations from physical (ADMS) and statistical (land use regression) models.
    We also present some early results from the LHR deployment which reveal many features of the emission characteristics of a major airport, showing source attribution associated with different operational modes, landside and airside activities, and regional pollution episodes influenced by macro meteorology.
    Original languageEnglish
    Publication statusPublished - 11 Dec 2013
    EventAir Quality Monitoring New Technologies, New Possibilites - Royal Society of Chemistry, Burlington House, Piccadilly, London, W1J 0BA, London, United Kingdom
    Duration: 11 Dec 201311 Dec 2013

    Conference

    ConferenceAir Quality Monitoring New Technologies, New Possibilites
    Country/TerritoryUnited Kingdom
    CityLondon
    Period11/12/1311/12/13

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