Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Stoke Newington, The Metropolitan Borough]
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22.
WOODBERRY DOWN DAILY SULPHUR DIOXIDE - TABLE 6 (SO2 in parts per million)
Month | Average Reading | Highest Reading | Lowest Reading |
---|---|---|---|
January | 6.9 | 29.4 | 3.0 |
February | 6.6 | 16.6 | 1.3 |
March | 6.5 | 20.1 | 2.1 |
April | 3.5 | 12.6 | 1.6 |
May | 3.5 | 11.4 | 0.9 |
June | 2.8 | 7.0 | 1.0 |
July | 2.3 | 4.3 | 1.1 |
August | 2.5 | 4.4 | 1.4 |
September | 2.4 | 4.2 | 1.2 |
October | 3.3 | 10.1 | 1.1 |
November | 7.6 | 13.7 | 3.7 |
December | 9.7 | 22.4 | 1.0 |