[Report of the Medical Officer of Health for Finchley] page 48

Finchley 1962

[Report of the Medical Officer of Health for Finchley]

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Table: Concentration of Smoke and Sulphur Dioxide - 1962

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Concentration of Smoke and Sulphur Dioxide - 1962

MONTH	SMOKE									SULPHUR DIOXIDE (SO²)									RATIO SMOKE TO SO2
	MICROGRAMMES PER CUBIC METRE
	AVERAGE VALUE			HIGHEST VALUE			LOWEST VALUE			AVERAGE VALUE			HIGHEST VALUE			LOWEST VALUE
	1	2	3	1	2	3	1	2	3	1	2	3	1	2	3	1	2	3	1	2	3
January	138	124	231	459	372	461	35	30	81	208	177	268	606	505	585	96	76	114	.66	.70	.86
February	108	114	160	420	437	485	32	29	28	177	163	195	492	587	503	82	45	39	.61	.70	.82
March	134	123	153	346	323	408	42	16	30	237	199	218	562	484	632	99	63	63	.57	.62	.70
April	56	63	90	123	167	294	31	9	12	117	98	118	225	199	347	58	28	31	.48	.64	.76
May	44	40	41	145	146	146	16	6	17	93	54	81	287	229	241	46	0	24	.47	.74	.51
June	23	—	23	42	41	55	10	2	10	77	—	67	143	88	128	37	0	34	.30	—	.32
July	30	37	30	75	100	74	10	18	8	69	63	68	121	169	177	31	19	24	.43	.59	.44
August	26	36	25	67	75	58	15	16	12	62	51	61	130	99	122	32	25	25	.42	.71	.41
September	47	56	51	126	119	111	20	15	23	90	87	95	248	228	280	34	30	31	.52	.64	.54
October	112	121	—	342	391	349	39	55	65	188	177	—	413	487	433	100	58	54	.60	.68	—
November	157	177	176	328	355	304	45	33	38	266	269	275	494	608	534	103	64	72	.59	.66	.64
December	286	251	288	1452	949	1428	50	72	80	563	501	460	2739	2214	2041	66	51	100	.51	.50	.63
(1) Public Health Department, 308 Regents Park Road, N.3.
(2) Public Library, High Road, East Finchley, N.2.
(3) Public Library, Ravensdale Avenue, North Finchley, N.12.