[Report of the Medical Officer of Health for Hillingdon] page 97

Hillingdon 1969

[Report of the Medical Officer of Health for Hillingdon]

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97
Environmental Health

Table: MONTHLY AVERAGES FOR SMOKE AND SULPHUR DIOXIDE FOR 1969Microgrammes Per Cubic Metre

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MONTHLY AVERAGES FOR SMOKE AND SULPHUR DIOXIDE FOR 1969

Microgrammes Per Cubic Metre

	76 High St., Northwood		West Mead Clinic, South Ruislip		Coldharbour Lane, Hayes		Grange Park School, Hayes		Dragonfield, High Street, Uxbridge		Oak Farm School, Hillingdon		Drayton Hall, West Drayton
	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂
January	74	118	68	192	57	134	43	153	69	134	57	145	59	143
February	59	87	55	131	50	139	45	154	60	93	56	142	62	132
March	53	96	59	159	50	180	46	196	58	109	49	167	62	189
April	28	75	30	124	29	113	22	103	27	101	23	94	26	86
May	23	84	25	117	25	127	21	125	19	97	20	107	29	150
June	13	67	13	87	18	102	14	80	17	79	15	97	26	74
July	14	71	13	94	24	100	16	96	17	84	16	90	20	84
August	20	69	20	90	31	98	15	77	20	73	25	91	27	69
September	25	76	29	87	30	97	23	68	30	89	25	75	39	102
October	57	104	52	171	61	184	61	143	59	147	48	131	41	33
November	45	85	41	148	87	160	40	117	48	132	43	107	48	102
December	85	123	65	183	54	174	61	188	74	164	63	155	68	163