London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Hackney 1961
[Report of the Medical Officer of Health for Hackney]
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AIR POLLUTION
Concentration of Smoke, and Sulphur Dioxide by the Volumetric Method
| Jan. | Feb. | Mar. | Apr. | May.. | June | July | Aug. | Sep. | Oct. | Nov. | Dec. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Town Hall | ||||||||||||
| Smoke | ||||||||||||
| Monthly Average | 19 | 18 | 19 | 9 | 4 | 4 | 4 | 4 | 6 | 10 | 22 | 36 |
| Highest Daily Average | 53 | 37 | 44 | 21 | 10 | 10 | 9 | 10 | 18 | 39 | 55 | 85 |
| Sulphur Dioxide | ||||||||||||
| Monthly Average | 6 | 8 | 9 | 7 | 4 | 2 | 3 | 2 | 3 | 3 | 10 | 14 |
| Highest Daily Average | 14 | 15 | 26 | 16 | 9 | 7 | 7 | 4 | 6 | 4 | 22 | 34 |
| Lampard Grove | ||||||||||||
| Smoke | ||||||||||||
| Monthly Average | 21 | 17 | 18 | 7 | 4 | 4 | 2 | 3 | 6 | 10 | 18 | 29 |
| Highest Daily Average | 58 | 37 | 46 | 17 | 10 | 9 | 5 | 7 | 19 | 36 | 48 | 57 |
| Sulphur Dioxide | ||||||||||||
| Monthly Average | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 |
| Highest Daily Average | 6 | 7 | 10 | 5 | 4 | 4 | 3 | 2 | 2 | 4 | 14 | 5 |
Figures for Smoke are expressed in "milligrams per 100 cubic metres"; for sulphur dioxide in "Parts per 100 million
parts of air".