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 Tottenham]
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ATMOSPHERIC POLLUTION RECORD, 1964. (Microgrammes per cubic metre)
Month | North Site (Devonshire Hill Library) | Central Site (Technical College) | South Site (Markfield School) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Smoke | Sulphur Dioxide | Smoke | Sulphur Dioxide | Smoke | Sulphur Dioxide | |||||||
Average | Highest | Average | Highest | Average | Highest | Average | Highest | Average | Highest | Average | Highest | |
January | 232 | 664 | 333 | 870 | 191 | 656 | 288 | 827 | 182 | 568 | 362 | 963 |
February | 184 | 536 | 283 | 641 | 160 | 596 | 265 | 859 | 144 | 564 | 300 | 729 |
March | 104 | 246 | 193 | 392 | 94 | 247 | 189 | 406 | 72 | 231 | 199 | 381 |
April | 66 | 308 | 156 | 472 | 58 | 232 | 196 | 493 | 58 | 240 | 192 | 475 |
May | 30 | 60 | 81 | 161 | 28 | 62 | 113 | 301 | 30 | 72 | 124 | 266 |
June | 31 | 115 | 79 | 199 | 27 | 98 | 89 | 245 | 23 | 58 | 108 | 223 |
July | 26 | 83 | 71 | 167 | 23 | 48 | 83 | 184 | 21 | 30 | 105 | 211 |
August | 23 | 80 | 75 | 125 | 20 | 63 | 74 | 161 | 27 | 75 | 106 | 186 |
September | 39 | 89 | 80 | 149 | 35 | 72 | 86 | 213 | 34 | 77 | 121 | 220 |
October | 148 | 364 | 231 | 449 | 140 | 412 | 299 | 495 | 128 | 300 | 273 | 633 |
November | 126 | 244 | 229 | 502 | 105 | 224 | 192 | 471 | 90 | 312 | 264 | 788 |
December | 141 | 480 | 240 | 725 | 119 | 476 | 205 | 415 | 127 | 488 | 285 | 873 |