Air pollution
Average central city reading} taken at the Reserve Bank building for the 24 hours ended » a.m. yesterday were: Sulphur dioxide: 43 medium. Smoke: 55 medium.
Nitrogen oxides: 43 medium. The readings are In micrograms per cuble metre. Levels are:—Smoke: less than 40, low; more than 110. high. Sulphur dioxide: less than 40, low; more than 200, high. Nitrogen ovides: less than 100, low; more than 250, high.
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https://paperspast.natlib.govt.nz/newspapers/CHP19740523.2.92
Bibliographic details
Press, Volume CXIV, Issue 33541, 23 May 1974, Page 12
Word Count
69Air pollution Press, Volume CXIV, Issue 33541, 23 May 1974, Page 12
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Acknowledgements
This newspaper was digitised in partnership with Christchurch City Libraries.
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