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A tale of two cities: is air pollution improving in Paris and London?

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Title: A tale of two cities: is air pollution improving in Paris and London?
Authors: Font, A
Guiseppin, L
Blangiardo, M
Ghersi, V
Fuller, GW
Item Type: Journal Article
Abstract: Paris and London are Europe's two megacities and both experience poor air quality with systemic breaches of the NO2 limit value. Policy initiatives have been taken to address this: some European-wide (e.g. Euro emission standards); others local (e.g. Low Emission Zone, LEZ). Trends in NOX, NO2 and particulate matter (PM10, PM2.5) for 2005–2016 in background and roadside locations; and trends in traffic increments were calculated in both cities to address their impact. Trends in traffic counts and the distribution in Euro standards for diesel vehicles were also evaluated. Linear-mixed effect models were built to determine the main determinants of traffic concentrations. There was an overall increase in roadside NO2 in 2005–2009 in both cities followed by a decrease of ∼5% year−1 from 2010. Downward trends were associated with the introduction of Euro V heavy vehicles. Despite NO2 decreasing, at current rates, roads will need 20 (Paris) and 193 years (London) to achieve the European Limit Value (40 μg m−3 annual mean). Euro 5 light diesel vehicles were associated with the decrease in roadside PM10. An increase in motorcycles in London since 2010 contributed to the lack of significant trend in PM2.5 roadside increment in 2010–16.
Issue Date: 30-Jun-2019
Date of Acceptance: 11-Jan-2019
URI: http://hdl.handle.net/10044/1/67547
DOI: https://dx.doi.org/10.1016/j.envpol.2019.01.040
ISSN: 0269-7491
Publisher: Elsevier BV
Start Page: 1
End Page: 12
Journal / Book Title: Environmental Pollution
Volume: 249
Copyright Statement: © 2019 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Keywords: MD Multidisciplinary
Environmental Sciences
Publication Status: Published
Online Publication Date: 2019-01-14
Appears in Collections:Faculty of Medicine
Epidemiology, Public Health and Primary Care



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