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 Islington Borough]
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Concentration of Smoke and Sulphur Dioxide recorded by the Volumetric Method at the two stations in the Borough
Station | Jan. | Feb. | Mar | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | — Dec. |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Smoke (micrograms per cubic metre) | ||||||||||||
Public Health Office | ||||||||||||
Town Hall | ||||||||||||
184.58 | 110.79 | 39.57 | 38.57 | 35.32 | 46.57 | 39.74 | 35.23 | 49.40 | 187.07 | 218.40 | 192.26 | |
443 | 355 | 137 | 181 | 95 | 150 | 92 | 128 | 108 | 468 | 494 | 676 | |
Shelter House | ||||||||||||
Treatment Centre | ||||||||||||
334.42 | 248.34 | 159.67 | 89.43 | 43.35 | 45.53 | 28.00 | 38.71 | 57.27 | 182.19 | 186.07 | 241.87 | |
760 | 620 | 328 | 223 | 87 | 188 | 48 | 104 | 156 | 480 | 432 | 720 | |
SUPLHUR DIOXIDE | ||||||||||||
Public Health Office | ||||||||||||
Town Hall | ||||||||||||
483.94 | 390.86 | 218.45 | 208.63 | 140.84 | 161.13 | 105.52 | 88.65 | 154.67 | 326.87 | 269.37 | 369.55 | |
1239 | 1141 | 552 | 655 | 492 | 348 | 281 | 193 | 354 | 646 | 966 | 1194 | |
Shelter House | ||||||||||||
Treatment Centre | ||||||||||||
Monthly average | 481.77 | 403.97 | 247.55 | 236. 80 | 117.67 | 120.13 | 113.25 | 84.29 | 138.43 | 312. 13 | 371. 83 | 319. 20 |
Highest recording | 1128 | 1749 | 520 | 644 | 220 | 269 | 265 | 158 | 269 | 600 | 812 | 1091 |