Exposure to Air Pollution inside Electric and Diesel-Powered Passenger Trains

Research output: Contribution to journalJournal article – Annual report year: 2019Researchpeer-review

DOI

  • Author: Guerra Andersen, Maria Helena

    University of Copenhagen, Denmark

  • Author: Johannesson, Sandra

    University of Gothenburg, Sweden

  • Author: Fonseca, Ana Sofia

    National Research Centre for the Working Environment, Denmark

  • Author: Clausen, Per Axel

    National Research Centre for the Working Environment, Denmark

  • Author: Saber, Anne Thoustrup

    National Research Centre for the Working Environment, Denmark

  • Author: Roursgaard, Martin

    University of Copenhagen, Denmark

  • Author: Löschner, Katrin

    Research group for Nano-Bio Science, National Food Institute, Technical University of Denmark, Kemitorvet, 2800, Kgs. Lyngby, Denmark

  • Author: Koponen, Ismo K.

    National Research Centre for the Working Environment, Denmark

  • Author: Loft, Steffen

    University of Copenhagen, Denmark

  • Author: Vogel, Ulla Birgitte

    National Research Centre for the Working Environment, Denmark

  • Author: Møller, Peter Horn

    University of Copenhagen, Denmark

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Diesel-powered trains are used worldwide for passenger transport. The present study aimed to assess air pollution concentrations in passenger cars from diesel and electric trains. Personal exposure monitoring (6-7 h per day) was carried out for 49 days on diesel and 22 days on electric trains. Diesel trains had higher concentrations of all the assessed air pollution components. Average increases (and fold differences) in passenger cars of diesel trains compared with electric trains were for ultrafine particles 212 000 particles/cm3 (35-fold), black carbon 8.3 μg/m3 (6-fold), NO x 316 μg/m3 (8-fold), NO2 38 μg/m3 (3-fold), PM2.5 34 μg/m3 (2-fold), and benzo( a)pyrene 0.14 ng/m3 (6-fold). From time-series data, the pull and push movement modes, the engine in use, and the distance to the locomotive influenced the concentrations inside the diesel trains. In conclusion, concentrations of all air pollutants were significantly elevated in passenger cars in diesel trains compared to electric trains.
Original languageEnglish
JournalEnvironmental Science and Technology
Volume53
Issue number8
Pages (from-to)4579–4587
ISSN0013-936X
DOIs
Publication statusPublished - 2019
CitationsWeb of Science® Times Cited: No match on DOI
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