The main source of air pollution in population centres is motor traffic. This is true for most substances. The measured carbon monoxide and lead contents practically entirely originate from traffic, and also c:a 90% of the nitrogen oxides in highly frequented streets. The Swedish automobile exhaust gas situation has been elucidated by calculations and measurements. These show a strong dependence of the exhaust gas problem from locality size. In small places the exhaust gas problems mainly exist in high traffic through routes. In densely built-up areas the streets in the centre and the big access roads are often exposed to high pollution levels. In Stockholm, Gothenburg and Malmoe the problems are present far outside the centre areas and the main streets suffer from high pollution levels. The governmental motor car exhaust gas committee estimates that in population centres of more than 10 000 inhabitants there are more than 1250 kilometres of streets where the figures for carbon monoxide or nitrogen dioxide or both exceed the limits recommended by WHO. Along these streets c:a 100 000 people are living and c:a 100 000 are working. The main part of these are to be found in the three cities. (ERA citation 13:051369)


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    Title :

    Exhaust Gases from Automobiles. What Can Communities and Individual People Do


    Contributors:
    S. Grauers (author)

    Publication date :

    1986


    Size :

    96 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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