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 Enfield]
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TABLE 35
CLEAN AIR National Survey of Air Pollution
A. Smoke (Micrograms per cubic meter). Average daily amounts
National Survey Sites : | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | |
Honilands | 62 | 39 | 21 | 31 | 25 | 16 | 18 | 22 | 27 | 25 | 43 | 70 |
Brimsdown | 132 | 101 | 35 | 54 | 39 | 26 | 26 | 17 | 30 | 29 | 61 | 66 |
Merryhills Bush Hill | 52 | 39 | 14 | 12 | 37 | 11 | 14 | 11 | 21 | 24 | 29 | 37 |
Park | 83 | 112 | 27 | 29 | 24 | 31 | 13 | 17 | 24 | 24 | 69 | 101 |
Other Sites : | ||||||||||||
Mandeville | 81 | 59 | 22 | 35 | 23 | 21 | 15 | 15 | 25 | 27 | 38 | 77 |
Huxley | 35 | 24 | 17 | 33 | 16 | 18 | 13 | N | N | N | N | 64 |
Latymer | N | N | N | N | 16 | 13 | 13 | 19 | N | N | N | N |
B. Sulphur Dioxide (Micrograms per cubic metre). Average daily amounts | ||||||||||||
National Survey Sites : | ||||||||||||
Honilands | Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. |
136 | 87 | 39 | 47 | 66 | 45 | 80 | 79 | 48 | 75 | 161 | 203 | |
Brimsdown | 259 | 176 | 107 | 186 | 140 | 87 | 103 | 88 | 100 | 92 | 245 | 255 |
Merryhills | 97 | 84 | 45 | 37 | 36 | 38 | 50 | 53 | 46 | 60 | 130 | 166 |
Bush Hill | ||||||||||||
Park | 233 | 204 | 85 | 78 | 100 | 53 | 88 | 84 | 83 | 106 | 244 | 262 |
Other Sites : | ||||||||||||
Mandeville | 270 | 177 | 104 | 101 | 104 | 77 | 86 | 78 | 83 | 141 | 243 | 271 |
Huxley | 183 | 197 | 85 | 80 | 99 | 93 | 76 | N | N | N | N | 232 |
Latymer | N | N | N | N | 68 | 28 | 37 | 42 | N | N | N | N |
N : No Return |