Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Annual report of the Medical Officer of Health for the year 1963
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ATMOSPHERIC POLLUTION RECORDING (Continued)
The following table shows the results obtained from this station during the years-
| Month | Average daily total | |
|---|---|---|
| Microgrammes per cubic metre | ||
| Smoke | S02 | |
| January | 255 | 557 |
| February | 264 | 573 |
| March | 75 | 320 |
| April | 129 | 332 |
| May | 77 | 221 |
| June | 42 | 175 |
| July | 169 | |
| August | 175 | |
| September | 145 | 242 |
| October | 72 | 244 |
| November | 149 | 326 |
| December | 186 | 505 |