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 Westminster, City of]
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The results obtained from the two sites are as follows:—
| Month | S02 micrograms per cubic metre | |
|---|---|---|
| Monck Street | Churchill Gardens | |
| January | 539 | 524 |
| February | 550 | 525 |
| March | 576 | 278 |
| April | 261 | 231 |
| May | 177 | 145 |
| June | 133 | 85 |
| July | 162 | 161 |
| August | 100 | 81 |
| September | 138 | 158 |
| October | 348 | 254 |
| November | 390 | 360 |
| December | 482 | 579 |