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
Chelsea 1960
Annual report of the Medical Officer of Health for the year 1960
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Atmospheric Pollution Recording (Continued)
The following table shows the results obtained from this station during the year t-
| VOCUMETRIC ANALYSIS-SNOKE AND SO2 | ||
|---|---|---|
| Month | Average daily total | |
| Smoke mg/100 ml | S02 p.p.100 m. | |
| January | 40 | 16.7 |
| February | 34 | 13.5 |
| March | 27 | 17.2 |
| April | 13 | 9.4 |
| May | 12 | 7.6 |
| June | 13 | 5.8 |
| July | 5 | 4.8 |
| August | 7 | 4.6 |
| September | 16 | 6.5 |
| October | 18 | 10.6 |
| November | 25 | 9.5 |
| December | 33 | 13.6 |
t