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Toxicological Risk Assessment of Urban Motorcycle Noise Using WHO Night Noise Guidelines.

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Τίτλος: Toxicological Risk Assessment of Urban Motorcycle Noise Using WHO Night Noise Guidelines.
Συγγραφείς: Hong JH; Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, South Korea., Jang H; Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, South Korea., Noh S; Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, South Korea., Jang MH; Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, South Korea., Jung J; Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, South Korea., Kwon SM; Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, South Korea., Choi J; School of Environmental Engineering, University of Seoul, Seoul, South Korea., Kim NG; Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, South Korea. chunildongan2@hanmail.net.; School of Environmental Engineering, University of Seoul, Seoul, South Korea. chunildongan2@hanmail.net.
Πηγή: Journal of urban health : bulletin of the New York Academy of Medicine [J Urban Health] 2026 Oct; Vol. 103 (5), pp. 971-981. Date of Electronic Publication: 2026 Sep 12.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Springer Country of Publication: United States NLM ID: 9809909 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1468-2869 (Electronic) Linking ISSN: 10993460 NLM ISO Abbreviation: J Urban Health Subsets: MEDLINE
Imprint Name(s): Publication: 2006- : New York, NY : Springer
Original Publication: Cary, NC : Oxford University Press for the New York Academy of Medicine, c1998-
Ιατρικοί όροι (MeSH): Motorcycles*/statistics & numerical data , Noise, Transportation*/adverse effects , Environmental Exposure*/adverse effects, Humans ; Risk Assessment ; Republic of Korea ; Guidelines as Topic ; World Health Organization
Περίληψη: In densely populated residential areas, increased motorcycle use for delivery has become a major noise source, yet its health impacts remain underexplored. We quantified motorcycle-related noise exposure in Seoul, South Korea, through measurements at 11 sites, primarily residential alleyways and roads adjacent to commercial areas with high motorcycle activity and frequent complaints. Equivalent continuous sound levels (Leq) were recorded over 24 h and classified into daytime (06:00-22:00) and nighttime (22:00-06:00). Motorcycle volumes were determined via direct field observations and manual review of synchronized acoustic recordings. Results were evaluated against the WHO Night Noise Guidelines, which specify the no observed adverse effect level (NOAEL) of 60 dB(A) for daytime and 50 dB(A) for nighttime. A strong positive correlation was observed between hourly motorcycle volumes and Leq, particularly at night (r = 0.91, p = 0.002). In several commercial-adjacent sites, nighttime levels exceeded WHO thresholds. Logistic regression indicated elevated odds of threshold exceedance: 3.81 for nighttime and 5.52 for daytime. These results, interpreted within a WHO-based toxicological risk assessment framework, identify nighttime motorcycle noise as a harmful environmental exposure with potential impacts on sleep and cardiovascular health.
(© 2026. The Author(s), under the exclusive licence to New York Academy of Medicine.)
Competing Interests: Declarations: All authors have read, understood, and complied as applicable with the statement on “ethical responsibilities of authors” as found in the instructions for authors. Ethics Approval: Not applicable.
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Contributed Indexing: Keywords: Environmental noise pollution; Motorcycle noise; NOAEL thresholds
Entry Date(s): Date Created: 20260912 Date Completed: 20261015 Latest Revision: 20261019
Update Code: 20261019
PubMed Central ID: PMC13672720
DOI: 10.1007/s11524-026-01145-4
PMID: 42732039
Βάση Δεδομένων: MEDLINE
Περιγραφή
ISSN:1468-2869
DOI:10.1007/s11524-026-01145-4