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March 19, 2026Asian Journal of Atmospheric EnvironmentOpen Access

Regional air quality modeling of ethylene oxide in the Greater Tokyo Area of Japan

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Authors

YSYuuki SakaiHHHiroo HataKIKazuya Inoue

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Overview

Regional modeling analyzes ethylene oxide levels in the Greater Tokyo Area, indicating significant discrepancies in measurements.

Key Points

  • Evaluate ethylene oxide air quality and assess discrepancies between modeled and observed concentrations in the Greater Tokyo Area.
  • Utilized chemical transport model calculations
  • Applied ethylene oxide emission inventory from Japanese government sources
  • Focused on the Greater Tokyo Area for the year 2017
  • Modeled atmospheric concentrations of ethylene oxide were consistently lower than observed values
  • The discrepancy could be as much as ten times at various monitoring sites
  • Long-range transportation from mainland Asia was not the main reason for the discrepancy
  • Global background concentrations of ethylene oxide were suggested as significant factors

Cite This Study

Sakai et al. (2026) studied this question.

synapsesocial.com/papers/69bb92d1496e729e629806fbhttps://doi.org/10.1007/s44273-026-00082-7
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1A risk assessment of ethylene oxide release from a sterilization facility into a community2026
  2. 2Laboratory Intercomparison of Multiple Ethylene Oxide Measurement Methods Under Simulated Near-Source Monitoring Conditions2026
  3. 3Validation of Anthropogenic Emission Inventories in Japan: A WRF-Chem Comparison of PM2.5, SO2, NOx and CO Against Observations2025 · 2 citations
  4. 4Source identification of carbon monoxide over the greater Tokyo area: Tower measurement network and evaluation of global/regional model simulations at different resolutions2024
  5. 5Enhancing WRF-Chem Simulations of Nitrogen Dioxide, Formaldehyde, and Ozone Using Satellite Retrievals and Top-Down Emission Estimates over East Asia2026