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
Marylebone 1956
[Report of the Medical Officer of Health for St. Marylebone, Metropolitan Borough]
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TABLE 10.—Air Pollution.
R eadings from D eposit G auges and O ther A pparatus for M easuring
A ir P ollution
| Site | Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N.L. | 16.1 | 3.3 | 16.4 | 9.2 | 9.7 | 12.4 | 10.7 | 10.6 | 12.9 | 10.2 | 7.3 | 18.8 |
| T.H. | 12.8 | 11.0 | 17.7 | 10.4 | 9.1 | 11.5 | 13.5 | 8.0 | 10.3 | 10.7 | 12.6 | 17.9 |
| D.S. | 14.7 | 15.1 | 18.6 | 16.0 | 9.4 | 11.7 | — | 10.9 | 14.1 | 10.3 | 10.2 | 15.2 |
| N.L. | 9.0 | 1.8 | 6.0 | 4.7 | 3.1 | 5.7 | 9.2 | 5.9 | 5.6 | 6.2 | 3.5 | 8.3 |
| T.H. | 9.6 | 6.5 | 8.6 | 6.7 | 3.8 | 7.3 | 8.1 | 6.9 | 7.2 | 6.8 | 5.5 | 8.4 |
| D.S. | 9.0 | 5.9 | 5.4 | 6.0 | 1.9 | 6.1 | — | 6.1 | 7.0 | 4.8 | 2.7 | 6.5 |
| N.L. | 4.9 | 2.9 | 3.3 | 2.3 | 1.2 | 1.3 | 1.1 | 0.9 | 1.5 | 1.9 | 2.8 | 4.3 |
| T.H. | 6.4 | 5.3 | 5.2 | 4.1 | 2.2 | 1.9 | 1.8 | 1.9 | 2.7 | 4.3 | 5.3 | 5.6 |
| E.R. | 5.2 | 6.4 | 5.8 | 3.6 | 1.4 | 1.3 | 1.5 | 1.5 | 3.1 | 3.6 | 4.4 | 4.5 |
| T.H. | 106 | 50 | 39 | 40 | 11 | 12 | 9 | 7 | 11 | 33 | 47 | 41 |
| G.P. | 84 | 54 | 36 | 42 | 9 | 7 | 7 | 7 | 10 | 35 | 49 | 44 |
| T.H. | 20 | 15 | 16 | 12 | 6 | 4 | 4 | 4 | 7 | 11 | 15 | 15 |
| G.P. | 17 | 12 | 13 | 9 | 4 | 2 | 2 | 3 | 5 | 9 | 13 | 15 |
| Annual Daily Average of Mean Concentration of Smoke and Sulphur Dioxide | ||||||||||||
| Site | 1956 | 1955 | †Fog (72 hrs.) 1956 | Fog (24 hrs.) 1955 | ||||||||
| Smoke mg-/ 100m3 | so2 p.p.100m. | Smoke mg./ 100m3 | SO2 p.p. 100m. | Smoke mg./ 100m3 | SO2 p.p. 100m. | Smoke mg./ 100m3 | so2 p.p. 100m. | |||||
| T.H. | 34 | 11 | 39 | 9 | 725 | 58 | 110 | 41 | ||||
| G.P. | 32 | 9 | 51 | 7 | 516 | 45 | 76 | 32 | ||||
Annual Monthly Average of Deposited Matter and Sulphur Trioxide.
| Site | 1956 | 1955 | ||
|---|---|---|---|---|
| Tons per sq. mile | Mg. per 100 sq. cm. Pb02 | Tons per sq. mile | Mg. per 100 sq. cm. Pb02 | |
| T.H. | 19.22 | 3.9 | 19.02 | 4.03 |
| N.L. | 17.24 | 2.4 | 17.56 | 2.47 |
| D.S. | 18.9 | — | 19.3 | — |
| E.R. | — | 3.5 | — | 3.7 |
Notes to Table 10—
Sites : N.L. Nuffield Lodge
T.H. Town Hall
E.R. Edgware Road
G.P. Greville Place
D.S. Devonshire Street (maintained by the D.S.I.R.)
*The figures given for 1955 are based upon the average for six months—July to December
inclusive—as recording apparatus was not used before that date,
† During fog, recordings are taken at three-hourly intervals.