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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TABLE XV
Month | Highest Daily Average | Monthly Average | ||||||
---|---|---|---|---|---|---|---|---|
Sulphur Dioxide p.p.m. | Smoke mg/m3 | Sulphur Dioxide p.p.m. | Smoke mg/m3 | |||||
Btfd. | Chis. | Btfd. | Chis. | Btfd. | Chis. | Btfd. | Chis. | |
Jan. | 0.193 | 0.167 | 0.570 | 0.556 | 0.078 | 0.066 | 0.249 | 0.220 |
Feb. | 0.240 | 0.141 | 0.750 | 0.513 | 0.091 | 0.058 | 0.213 | 0.149 |
Mar. | 0.298 | 0.169 | 0.574 | 0.368 | 0.114 | 0.076 | 0.224 | 0.153 |
Apr. | 0.255 | 0.163 | 0.245 | 0.143 | 0.090 | 0.058 | 0.121 | 0.065 |
May | - | 0.067 | - | 0.111 | - | 0.041 | - | 0.049 |
Jun. | - | 0.067 | - | 0.114 | - | 0.036 | - | 0.042 |
Jul. | 0.040 | 0.071 | 0.056 | 0.066 | 0.018 | 0.019 | 0.035 | 0.029 |
Aug. | 0.046 | 0.036 | 0.236 | 0.214 | 0.021 | 0.019 | 0.092 | 0.096 |
Sep. | 0.066 | 0.079 | 0.108 | 0.175 | 0.036 | 0.022 | 0.044 | 0.051 |
Oct. | 0.193 | 0.207 | 0.405 | 0.406 | 0.085 | 0.071 | 0.163 | 0.173 |
Nov. | 0.214 | 0.199 | 0.482 | 0.607 | 0.074 | 0.085 | 0.156 | 0.219 |
Dec. | 0.243 | 0.179 | 0.506 | 0.557 | 0.108 | 0.094 | 0.213 | 0.240 |
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