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Like every chemical substance, ozone is more or less harmful to human beings depending of its concentration. The ozone concentration in the regions where human beings are living is variing a lot. It depends on the air pollution, on the solar radiation and on its short lifetime. Because of these factors you are able to minimize the negative impact of ozone by using your knowledge about them.
Effect on human beings and (german) limits of ozone. |
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© 2003 Seesing, Tausch; Universität-Duisburg-Essen, Duisburg; source: Tausch , von Wachtendonk: Chemie 2000+; Buchner Verlag Bamberg 2001
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A sitting human inhales about 5 to 7 litres of air per minute. A jogger needs about 50 litres.
Mark in the graph below the time of the day, when sensitive persons will have no irritations or troble by bodily work.
Mark in the graph below the time of the day, when you can observe most joggers.
If you have to advise joggers or other people, what would you say about bodily activities on days with high ozone concentrations? Mention the time of the day. |
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link address of source of data:
Umweltbundesamt und Bundesländer: http://www.env-it.de/luftdaten/start.fwd
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About this page:
Authors: M. Seesing, M. Tausch - Universität Duisburg-Essen, Duisburg / Germany
Scientific reviewing: Dr. Rolf von Kuhlmann, Max Planck Inst. for Chemistry, Mainz
Last update: 2004-05-13 |
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