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 11
AVERAGE MONTHLY SMOKE CONCENTRATIONS (microgrammes per cubic metre)
Daily volumetric instruments
1966 | Acton Lane | Chase Road | Eliots Green School | Friars Place Lane | Town Hall Annexe | Walpole Grammar School |
---|---|---|---|---|---|---|
January | 101 | 60 | 78 | 187 | 178 | - |
February | 51 | 73 | 24 | 59 | 66 | 51 |
March | 68 | 75 | 24 | 51 | 59 | 42 |
Winter average (Oct. 1965 -March 1966) | 85 | 73 | 54 | 97 | 103 | 57 |
April | 78 | 74 | 57 | 71 | 43 | |
May | 28 | 55 | 15 | 27 | 32 | 27 |
June | 22 | 42 | - | 19 | 29 | 33 |
July | 17 | 36 | 12 | 18 | 19 | 11 |
August | 33 | 35 | - | 26 | 30 | - |
September | 51 | 61 | 15 | 47 | 48 | 29 |
Summer average (April 1966 -September 1966) | 38 | 50 | 14 | 32 | 38 | 29 |
October | 42 | 55 | 38 | 37 | 59 | 40 |
November | 57 | 76 | - | 65 | 71 | 74 |
December | 72 | 64 | 101 | 54 | 58 | 59 |
Average for year, 1966 | 52 | 59 | 38 | 54 | 60 | 41 |
year, 1965 | 71 | 74 | 58 | 67 | 73 | 59 |