High smog reading
.' ■ Smoke , levels in Ayonside reac|ie.d-515 micrograms per cubic metre of "air on Friday night-. The World. Health Organisation regards 120 as high. Friday, equals that of -§Unday, June 22,’-when the ■ smoke, level more 'than Tour .times’ higher." than W.H:O.’s .'■‘high’&point. The level on June 22 was the highest sihce.al97s, andjthe average 'month was the -Highesf since 1974. ' ;\Smoke levels dropped over the.-;-? week-end, the highest after Friday night being 3431 micrograms per cubic metre of air,.-measured in Avonside on Saturday night. \ Sulphur dioxide levels remained Tow, but nitrogen oxide levels were high in the central: city all weekend. "The highest was - measured on Friday,..night; when the level .was --nearly' double the W.H.O.’s-'High' point of 200 micrograms per cubic metre of air.
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Press, 22 July 1980, Page 6
Word Count
124High smog reading Press, 22 July 1980, Page 6
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