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 1957
[Report of the Medical Officer of Health for Hackney]
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20
AIR POLLUTION
Table I: Monthly Deposit Recorded by the Deposit Gauge, and Sulphur Dioxide by the Lead Peroxide Method,
at Atmospheric Pollution Recording Stations
| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| * Rain | 31 | 69 | 24 | 2 | 32 | 11 | 76 | 32 | 42 | 43 | 52 | 34 |
| 9.2 | 10.3 | 12.8 | 7.4 | 12.5 | 9.9 | 8.7 | 8.4 | 7.1 | 8.6 | 9.1 | 11.1 | |
| 7.0 | 8.8 | 6.9 | 4.0 | 5.4 | 4.6 | 6.4 | 4.8 | 7.6 | 7.1 | 4.7 | 11.0 | |
| ø Sulphur Dioxide (etc.) | 6.0 | 5.5 | 4.2 | 2.9 | 2.6 | 1.8 | 1.7 | 1.8 | 2.5 | 3.8 | 4.5 | 6.7 |
| * Rain | 30 | 70 | 22 | 2 | 33 | 16 | 84 | 41 | 48 | 44 | 44 | 29 |
| 7.8 | 8.1 | 9.0 | 12.9 | 16.7 | 8.4 | 5.6 | 6.3 | 5.4 | 6.7 | 6.4 | 8.1 | |
| 6.7 | 7.7 | 6.1 | 3.8 | 5.2 | 3.3 | 6.1 | 3.6 | 6.7 | 6.0 | 8.0 | 8.1 | |
| ø Sulphur Dioxide (etc.) | 3.2 | 3.5 | 2.7 | 1.9 | 1.4 | 1.2 | - | 1.0 | 1.3 | 2.3 | 2.8 | 4.4 |
| * Rain | 34 | 74 | 32 | 5 | 34 | 24 | 96 | 45 | 57 | 52 | 52 | 40 |
| 6.6 | 10.7 | 11.8 | 7.8 | 12.9 | 9.3 | 9.0 | 8.7 | 8.2 | 8.9 | 9.1 | 11.2 | |
| 4.0 | 5.7 | 5.9 | 3.4 | 4.1 | 5.6 | 9.3 | 3.7 | 4.8 | 4.8 | 4.7 | 5.1 | |
| ø Sulphur Dioxide (etc.) | 2.7 | 3.0 | 2.9 | 1.2 | 1.3 | 0.8 | - | - | 1.0 | - | 2.5 | 3.2 |
* Rainfall in millimetres per month.
† Insoluble deposits and soluble deposits are expressed as rate of deposition in tons per square mile per month.
ø The amounts of sulphur dioxide are expressed as "milligrams of sulphur trioxide fixed per day per 100 square centimetres of Batch
"A" standard lead peroxide."