Ultrafine particles in cities

Kumar, Prashant, Morawska, Lidia, Birmili, Wolfram, Paasonen, Pauli, Hu, Min, Kulmala, Markku, Harrison, Roy, Norford, Leslie, & Britter, Rex (2014) Ultrafine particles in cities. Environment International, 66, pp. 1-10.

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Ultrafine particles (UFP; diameter less than 100 nm) are ubiquitous in urban air, and an acknowledged risk to human health. Globally, the major source for urban outdoor UFP concentrations is motor traffic. Ongoing trends towards urbanisation and expansion of road traffic are anticipated to further increase population exposure to UFPs. Numerous experimental studies have characterised UFPs in individual cities, but an integrated evaluation of emissions and population exposure is still lacking. Our analysis suggest that average exposure to outdoor UFPs in Asian cities is about four-times larger than those in European cities but impacts on human health are largely unknown. This article reviews some fundamental drivers of UFP emissions and dispersion, and highlights unresolved challenges, as well as recommendations to ensure sustainable urban development whilst minimising any possible adverse health impacts.

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ID Code: 73115
Item Type: Journal Article
Refereed: Yes
Keywords: City environment, Urban environment, Particle exposure, Health impacts, Particle number concentration, Ultrafine particles, air quality
DOI: 10.1016/j.envint.2014.01.013
ISSN: 0160-4120
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Aerosols (040101)
Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200) > Environmental Monitoring (050206)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering not elsewhere classified (090799)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Elsevier
Copyright Statement: Open Access funded by Engineering and Physical Sciences Research Council. Under a Creative Commons license
Deposited On: 29 Jun 2014 23:32
Last Modified: 01 Jul 2014 12:55

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