Air pollution
Average central city readings taken at the Reserve Bank building for the 24 hours ended 9 a.m. yesterday were: Sulphur Dioxide: 26, low. Smoke: 15, low. Nitrogen Oxides: 37, low. The readings are In microgrammes per cubic metre. Levels are:—Smoke, less than 40, low; more than 120 high. Sulphur dioxide: less than 60, low; more than 200, high. Nitrogen oxides: less than 100, low; more than 250, high.
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https://paperspast.natlib.govt.nz/newspapers/CHP19740513.2.79
Bibliographic details
Press, Volume CXIV, Issue 33532, 13 May 1974, Page 12
Word Count
70Air pollution Press, Volume CXIV, Issue 33532, 13 May 1974, Page 12
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Acknowledgements
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