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 Islington Borough]
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Concentration of Smoke and Sulphur Dioxide recorded by the Volumetric method at the two stations In the Borough
Stat ion | Jan. | Feb. | Mar | Apl. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Monthly average | 49.0 | 33.0 | 16.0 | 14.0 | 8.0 | 6.0 | 7.0 | 4.0 | 6.0 | 14.0 | 45.0 | 27.0 |
Highest daily average | 164.0 | 170.0 | 55.0 | 32.0 | 21.0 | 16.0 | 36.0 | 15.0 | 18.0 | 34.0 | 116.0 | 80.0 |
Monthly average | 49.0 | 40.0 | 16.0 | 17. 0 | 8.0 | 4.0 | 3.0 | 5.0 | 7.0 | 15.0 | 31.0 | 29.0 |
Highest daily average | 140.0 | 173.0 | 58.0 | 38.0 | 18.0 | 8.0 | 8.0 | 10.0 | 16.0 | 33.0 | 102.0 | 68.0 |
Monthly average | 20.1 | 20.1 | 10.0 | 9.7 | 5.3 | 4.3 | 3.9 | 4.3 | 4.4 | 7.9 | 16.1 | 11.8 |
Highest daily average. | 64.3 | 98.9 | 27.8 | 24.4 | 14.6 | 9.1 | 13.7 | 8.2 | 13.2 | 13.1 | 31.9 | 36.6 |
Monthly average | 17.8 | 17.8 | 7.3 | 8.3 | 4.7 | 4.5 | 3.4 | 4.4 | 4.5 | 7.4 | 12.2 | 10.6 |
Highest daily average | 55.5 | 85.1 | 21.4 | 21.1 | 14.0 | 8.3 | 7.4 | 12.1 | 9.2 | 13.5 | 25.2 | 28.8 |