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
St Pancras 1961
[Report of the Medical Officer of Health for St. Pancras, Metropolitan Borough]
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INVESTIGATION OP ATMOSPHERIC POLLUTION
The following table shows the monthly recordings of the measurements of deposited matter (ash and grit) and sulphur dioxide at the three stations indicated: -
| 1961 | Deposited matter (ash and grit) in tons per square mile | Sulphur tri oxide in mgs. per day per 100 sq.c. of batch 'A' standard lead peroxide | ||||
|---|---|---|---|---|---|---|
| Camden Road | Chalcot Road | Highgate West Hill | Camden Road | Chalcot Road | Highgate West Hill | |
| January | 17.44 | 29. 90 | 10.74 | 3.10 | 2.41 | 1.30 |
| February | 21.97 | 22.83 | 14.74 | 1.80 | 1.65 | 0.77 |
| March | 21.16 | 15.24 | 11.77 | 1.76 | 1. 87 | 0.91 |
| April | 12.97 | 16.24 | 11.04 | 1.75 | 1.30 | 0.79 |
| May | 13.27 | 17.65 | 10.53 | 0.50 | 0.95 | 0.32 |
| June | 12.66 | 20. 24 | 11.47 | 0.78 | 0.70 | 0.39 |
| July | 15.74 | 13.75 | 13.03 | 0.68 | 0.54 | 0.27 |
| August | 5.67 | 18.59 | 12.34 | 0.69 | 0.45 | 0.30 |
| September | 14.17 | 16.44 | 6.27 | 1.35 | 0.97 | 0.29 |
| October | 18.15 | 16.79 | 14.40 | 1.77 | 1.07 | 0.60 |
| November | 18.96 | 17.13 | 8.70 | 2.29 | 1.52 | 0.55 |
| December | 21.52 | 21.22 | 13.37 | 2.93 | 2.26 | 1.40 |
calculated in parts per one hundred million. Prom May onwards both smoke and sulphur dioxide concentrations were calculated in microgrammes per cubic metre
| 1961 | Town Hall | Chester Road Library | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Smoke | Sulphur dioxide | Smoke | Sulphur dioxide | |||||||||
| Av. | High | Low | Av. | High | Low | Av. | High | LOW | Av. | High | Low | |
| January | 15. 0 | 41.0 | 9.0 | 15.4 | 30.7 | 10.3 | 15.0 | 32.0 | 9.0 | 5.0 | 13.2 | 2.5 |
| February | 12.0 | 22.0 | 7.0 | 14.0 | 21.5 | 10.2 | 9.0 | 23.0 | 4.0 | 3.8 | 9.3 | 1.9 |
| March | 17.0 | 31.0 | 9.0 | 18.4 | 45.0 | 10.7 | 10.0 | 31.0 | 3.0 | 6.2 | 16.3 | 2.0 |
| April | 10.0 | 17.0 | 7.0 | 10.5 | 23.7 | 8.0 | 7.0 | 13.0 | 4.0 | 4. 1 | 7.9 | 2.6 |
| May | 80 | 150 | 50 | 194 | 355 | 114 | 40 | 80 | 20 | 54 | 102 | 20 |
| June | 86 | 160 | 40 | 174 | 343 | 126 | 29 | 70 | 9 | 75 | 174 | 14 |
| July | 97 | 130 | 60 | 133 | 220 | 91 | 23 | 50 | 10 | 60 | 102 | 37 |
| August | 77 | 120 | 50 | 127 | 303 | 72 | 21 | 60 | 10 | 49 | 125 | 11 |
| September | 84 | 170 | 40 | 201 | 368 | 80 | 46 | 100 | 10 | 63 | 122 | 20 |
| October | 112 | 198 | 45 | 281 | 637 | 65 | 42 | 160 | 20 | 105 | 177 | 57 |
| November | 155 | 335 | 81 | 476 | 1017 | 226 | 118 | 276 | 27 | 137 | 283 | 63 |
| December | 396 | 996 | 108 | 640 | 1228 | 398 | 286 | 604 | 42 | 228 | 388 | 93 |