Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Stoke Newington, The Metropolitan Borough]
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19®
| Month | Mg.of SO3/day collected by 100 sq.Cm.Of Batch A Pbo2. (louvered cover) |
|---|---|
| January | |
| February | |
| March | |
| April | |
| May | |
| June | |
| July | l.0 |
| August | |
| September | |
| October | |
| November | |
| December |
DAILY SMOKE FILTER - TABLE 3. (Smoke in milligrammes/100 cubic metres)
| Month | Average Reading | Highest Reading | Lowest Reading |
|---|---|---|---|
| January | 51 | 156 | 8 |
| February | 42 | 149 | 17 |
| March | 23 | 58 | 3 |
| April | 16 | 35 | 5 |
| May | 6 | 16 | 1 |
| June | 5 | 14 | 2 |
| July | 4 | 11 | 1 |
| August | 5 | 13 | 2 |
| September | 7 | 17 | 1 |
| October | 14 | 37 | 1 |
| November | 30 | 125 | 3 |
| December | 26 | 78 | 8 |