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 1958
[Report of the Medical Officer of Health for St. Marylebone, Metropolitan Borough]
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TABLE 7.—Air Pollution.
Readings from Deposit Gauges and Other Apparatus for Measuring Air Pollution
| Site | Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Insoluble Matter-N.L. | 16.27 | 18.75 | 9.42 | 11.24 | 36.19 | 27.41 | 13.70 | 15.56 | 12.49 | 8.79 | 6.51 | 11.71 |
| t.h. | 11.43 | 14.67 | 11.96 | 11.79 | 16.74 | 10.43 | 10.06 | 6.84 | 13.42 | 9.65 | 9.49 | 18.25 |
| Soluble Matter-N.L. | 7.77 | 8.36 | 6.04 | 5.81 | 6.60 | 8.00 | 5.69 | 6.29 | 7.49 | 5.74 | 4.43 | 7.14 |
| t.h. | 8.90 | 9.94 | 8.88 | 7.08 | 6.30 | 13.36 | 7.04 | 7.34 | 9.77 | 8.00 | 8.53 | 9.57 |
| Sulphur Trioxide-N.L. | 4.32 | 4.10 | 6.16 | 2.17 | 1.54 | 1.29 | 0.95 | 0.98 | 1.12 | 1.53 | 5.48 | 3.69 |
| t.h. | 6.73 | 5.36 | 5.48 | 3.29 | 2.38 | 2.63 | 2.10 | 2.25 | 3.24 | 4.34 | 5.50 | 6.57 |
| E.R. | 5.00 | Nil | 4.79 | 3.30 | 1.88 | 2.10 | 1.67 | 1.61 | 2.78 | 3.34 | 2.54 | 5.40 |
| Smoke-t.h. | 19 | 32 | 35 | 21 | 8 | 9 | 5 | 5 | 11 | 14 | 47 | 38 |
| G.P. | 26 | 29 | 33 | 21 | 7 | 7 | 3 | 1 | 4 | 15 | 57 | 44 |
| Sulphur Dioxide t.h. | 16 | 12 | 13 | 8 | 5 | 6 | 4 | 4 | 7 | 11 | 16 | 17 |
| G.P. | 14 | 10 | 10 | 6 | 5 | 5 | 4 | 2 | 4 | 8 | 15 | 16 |
TABLE 8. — Air Pollution.
Annual Daily Average of Mean Concentration of Smoke and Sulphur Dioxide.
| Site | 1958 | 1957 | 1956 | 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 | SO2p.p. 100m. | |
| t.h. | 20 | 10 | 23 | 9 | 34 | 11 | 39 | 9 |
| G.P. | 20 | 8 | 24 | 8 | 32 | 9 | 51 | 7 |
TABLE 9.—Air Pollution.
Annual Monthly Average of Deposited Matter and Sulphur Trioxide.
| Site | 1958 | 1957 | 1956 | 1955‡ | ||||
|---|---|---|---|---|---|---|---|---|
| Tons per sq. mile | Mg. per 100 sq cm. PbO2 | Tons per sq. mile | Mg. per 100 sq. cm. Pb02 | Tons per sq. mile | Mg. per 100 sq. cm. Pb02 | Tons per sq. mile | Mg. per 100 sq. cm. Pb02 | |
| t.h. | 20.87 | 4.16 | 17.7 | 3.9 | 19.22 | 3.9 | 19.02 | 4.03 |
| N.L. | 22.28 | 2.78 | 20.8 | 2.6 | 17.24 | 2.4 | 17.56 | 2.47 |
| D.S. | 21.9† | — | 17.3 | — | 18.9 | — | 19.3 | — |
| E.R. | — | 3.13 | — | 3.4 | — | 3.5 | — | 3.7 |
Notes to Tables 7, 8 and 9—
Sites: N.L. Nuffield Lodge E.R. Edgware Road
T.H. Town Hall G.P. Greville Place
D.S. Devonshire Street (maintained by the D.S.I.R.)
*Apparatus damaged by snowfall.
‡ 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.
† Average for three months only.