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 Ealing]
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Table 20
AVERAGE MONTHLY SMOKE CONCENTRATIONS (microgrammes per cubic metre)
Daily volumetric instruments
| 1965 | Acton Lane | Chase Road | Eliots Green School | Friars Place Lane | Town Hall Annexe | Walpole Grammar School |
|---|---|---|---|---|---|---|
| January | 115 | 127 | 66 | 90 | 94 | 102 |
| February | 112 | 117 | 145 | 115 | 119 | 145 |
| March | 103 | 101 | 75 | 112 | 96 | 105 |
| April | 59 | 69 | 64 | 53 | 54 | 18 |
| May | 44 | 71 | 32 | 50 | 29 | |
| June | 25 | 48 | 18 | 27 | 28 | 15 |
| July | 24 | 34 | 15 | 18 | 41 | 16 |
| August | 33 | 36 | * | 33 | 29 | * |
| September | 48 | 52 | 46 | 42 | 48 | 28 |
| Summer average— (April-September) | 39 | 52 | 30 | 34 | 42 | 21 |
| October | 116 | 115 | 95 | 114 | 128 | 65 |
| November | 117 | 73 | 83 | 97 | 108 | 78 |
| December | 59 | 44 | 24 | 74 | 83 | 48 |
| Average for year | 71 | 74 | 58 | 67 | 73 | 59 |
* Closed for school holidays.
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