London's Pulse: Medical Officer of Health reports 1848-1972

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Leyton 1961

[Report of the Medical Officer of Health for Leyton]

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(b) CONCENTRATION OP SULPHUR DIOXIDE EXPRESSED IN MICROGRAMMES PER CUBIC METRE

MONTHMONTHLY AVERAGEHIGHESTDAILYAVERAGELOWESTDAILYAVERAGE
1955/601960/611961/621955/601960/611961/621955/601960/611961/62
April1861801474413691978386102
May109143105223363177373134
June9483108189255266371752
July837779157112169344939
August9710079177203194404330
September106103127217155285435754
SUMMER AVERAGE113114108------
October2352001785663404841068682
November33827723670764161116012950
December3813373031058592643143132119
January355269992629149137
February332252921701152134
March246280480769114123
WINTER AVERAGE315269_-----
YEARLY AVERAGE214192------

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