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 Kingston-upon-Thames]
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The following are the results obtained:-
| Month | Smoke | So2 | ||||
|---|---|---|---|---|---|---|
| Monthly Average | Highest Value | Lowest Value | Monthly Average | Highest Value | Lowest Value | |
| January | 205 | 682 | 28 | 290 | 770 | 58 |
| February | 154 | 528 | 32 | 237 | 484 | 55 |
| March | 88 | 298 | 16 | 174 | 439 | 64 |
| April | 45 | 172 | 7 | 98 | 357 | 23 |
| May | 23 | 57 | 3 | 82 | 458 | 13 |
| June | 21 | 69 | 8 | 72 | 246 | 26 |
| July | 17 | 38 | 3 | 38 | 85 | 0 |
| August | 19 | 47 | 7 | 52 | 92 | 20 |
| September | 33 | 124 | 7 | 74 | 257 | 13 |
| October | 116 | 240 | 8 | 169 | 420 | 33 |
| November | 97 | 288 | 16 | 211 | 697 | 42 |
| December | 119 | 500 | 4 | 235 | 633 | 64 |