Health impact assessment of particulate matter in Tokyo, Japan

Takashi Yorifuji, Eiji Yamamoto, Toshihide Tsuda, Norito Kawakami

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Among industrialized countries, Japan still maintains an old set of guidelines for particulate matter (PM); therefore, we assessed the public health impacts of PM exposure in various situations using data from the Tokyo metropolitan area. Subjects were 7.8 million people aged older than 30 years. Based on a linear relationship between exposure and health effects, we estimated attributable cases of mortality caused by PM. Even at the recent exposure level, the number of deaths will occur after both short- and long-term exposure. When the guideline for PM2.5 (particles <2.5 μm in diameter) long-term exposure was set at 12 μg/m3, we could prevent 8% of all causes mortality or 6,700 deaths in the Tokyo metropolitan area per year. This assessment shows that guidelines for long-term exposure, especially for PM 2.5, should be recommended in Japan.

Original languageEnglish
Pages (from-to)179-185
Number of pages7
JournalArchives of Environmental and Occupational Health
Volume60
Issue number4
DOIs
Publication statusPublished - 2005

Keywords

  • Air pollution
  • Particulate matter
  • Risk assessment

ASJC Scopus subject areas

  • Toxicology
  • Environmental Science(all)
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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