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 1958
[Report of the Medical Officer of Health for Hackney]
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Table II Concentration of smoke, and Sulphur Dioxide by the Volumetric Method
| Jan. | Feb. | Mar. | Apr. | May. | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Monthly Average | 51 | 39 | 39 | - | 12 | - | - | - | - | - | 58 | |
| Highest Daily Average | 128 | 65 | 93 | - | 24 | - | - | - | - | - | - | 123 |
| 14 | 10 | 9 | - | 5 | - | - | - | - | - | - | 13 | |
| Highest Daily Average | 43 | 18 | 23 | - | 10 | - | - | - | - | - | - | 39 |
| Monthly Average | 56 | 43 | 45 | 33 | 21 | 19 | 11 | 6 | 7 | 15 | 39 | 37 |
| Highest Daily Average | 103 | 83 | 83 | 53 | 50 | 32 | 29 | 15 | 18 | 72 | 144 | 81 |
| 11 | 7 | 9 | 7 | 5 | 5 | 4 | 4 | 5 | 2 | 8 | 9 | |
| Highest Daily Average | 31 | 16 | 21 | 14 | 14 | 9 | 8 | 6 | 10 | 6 | 26 | 28 |
| Monthly Average | 54 | 42 | 40 | 29 | 20 | 14 | 8 | 5 | 5 | 19 | 36 | 38 |
| Highest Daily Average | 104 | 89 | 82 | 50 | 36 | 32 | 25 | 12 | 13 | 84 | 139 | 85 |
| Monthly Average | 9 | 7 | 7 | 6 | 4 | 3 | 2 | 1 | 1 | 5 | 4 | 5 |
| Highest Daily Average | 28 | 14 | 17 | 12 | 9 | 6 | 4 | 3 | 5 | 11 | 12 | 15 |
| Figure for smoke are expressed in "milligrams per 100 cubic metres" for Sulpur Dixode in parts per 100 million parts of air" | ||||||||||||