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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21.
OLD TOWN HALL DAILY SULPHUR DIOXIDE - TABLE 4 (SO2 in parts per million)
Month | Average Reading | Highest Readina | Lowest Readina |
---|---|---|---|
January | 8.5 | 30.3 | 2.7 |
February | 7.4 | 20.3 | 3.2 |
March | 6.4 | 16.6 | 1.6 |
April | 3.1 | 11.9 | 1.3 |
May | 4.1 | 10.3 | 0.8 |
June | 2.7 | 6.4 | 0.9 |
July | 2.4 | 5.0 | 1.3 |
August | 2.7 | 5.0 | 1.6 |
September | 2.1 | 3.7 | 1.0 |
October | 3.9 | 11.3 | 1.2 |
November | 5.8 | 10.5 | 2.3 |
December | 8.0 | 15.3 | 2.0 |
WOODBERRY DOWN DAILY SMOKE FILTER-TABLE 5 (Smoke in milligrammes/100 cubic metres)
Month | Average Reading | Highest Reading | Lowest Reading |
---|---|---|---|
January | 21 | 63 | 5 |
February | 20 | 59 | 5 |
March | 18 | 60 | 4 |
April | 7 | 19 | 3 |
May | 6 | 15 | 2 |
June | 3 | 9 | 1 |
July | 4 | 6 | 1 |
August | 6 | 10 | 1 |
September | 7 | 16 | 2 |
October | 11 | 39 | 4 |
November | 17 | 50 | 4 |
December | 19 | 68 | 6 |