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 Brentford and Chiswick]
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(Expressed as Microgrammes per Cubic Metre)
Month | Highest Daily Reading | Monthly Average | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Smoke | Sulphur Dioxide | Smoke | Sulphur Dioxide | |||||||||
Brent ford | Chiswick Heath field Terrace | Chiswick Staveley Road | Brent ford | Chiswick Heath field Terrace | Chiswick Staveley Road | Bren t ford | Chiswick Heath-field Terrace | Chiswick S tave1ey Road | Brent ford | Chiswick Heath field Terrace | Chiswick Staveley Road | |
Jan | 564 | 512 | 704 | 641 | 801 | 1,628 | 186 | 169 | 205 | 206 | 240 | 454 |
Feb | 476 | 372 | 504 | 467 | 377 | 866 | 164 | 148 | 181 | 210 | 204 | 417 |
Mar | 260 | 236 | 296* | 726 | 443 | 1,071* | 96 | 83 | 103* | 181 | 151 | 325* |
Apr | 356 | 176 | - | 374 | 235 | - | 44 | 43 | - | 103 | 115 | - |
May | 57 | 72 | 65 | 341 | 301 | 404 | 26 | s36 | 26 | 114 | 121 | 114 |
June | 77 | 92 | 63 | 269 | 206 | 289 | 24 | 32 | 20 | 80 | 86 | 83 |
July | 36 | 51 | 43 | 178 | 150 | 230 | 19 | 27 | 18 | 71 | 76 | 75 |
Aug | 82 | 81 | 80 | 82 | 133 | 151 | 24 | 30 | 21 | 34 | 67 | 62 |
Sept | 111 | 128 | 111 | 213 | 269 | 407 | 32 | 39 | 30 | 58 | 89 | 109 |
Oct | 308 | 244 | 212 | 301 | 280 | 477 | 114 | 120 | 141 | 171 | 154 | 210 |
Nov | 280 | 306 | 304 | 467 | 568 | 928 | 99 | 102 | 90 | 114 | 145 | 231 |
Dec. | 556 | 560 | 560 | 372 | 481 | 1 079 | 146 | 137 | 128 | 122 | 166 | 276 |
* Readings for ยง month only.