[Report of the Medical Officer of Health for Hillingdon] page 69

Hillingdon 1970

[Report of the Medical Officer of Health for Hillingdon]

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Table: Monthly Averages for Smoke and Sulphur Dioxide in Microgrammes per Cubic Metre for 1970

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Monthly Averages for Smoke and Sulphur Dioxide in Microgrammes per Cubic Metre for 1970

Month	76 High St., Northwood		west Mead Clinic, South Ruislip		Coldharbour Lane, Hayes		Grange Park School, Lansbury Dr., Hayes		Dragonfield, High Street, Uxbridge		Oak Farm School, Long Lane, Hillingdon		Drayton Hall, Station Rd„ West Drayton
Month	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂	Smoke	SO₂
January	70	124	60	188	45	148	48	137	66	165	51	170	49	174
February	40	96	37	132	26	104	40	115	47	130	35	120	44	111
March	42	101	30	119	21	113	30	125	40	117	31	130	55	152
April	31	70	22	114	24	106	21	93	26	97	21	92	32	98
May	18	77	20	91	23	100	19	98	29	85	23	107	30	89
June	13	55	18	92	23	117	17	102	24	75	20	87	29	108
July	16	59	16	87	22	87	14	65			16	83	21	67
August	17	52	19	90	20	89	17	79	22	67	22	92	25	85
September	50	78	38	82	26	85	28	88	38	65	37	88	39	80
October	33	63	50	177	37	160	42	135	38	97	35	114	34	124
November	51	161	32	322	34	449	37	277	46	226	90	381	53	329
December	67	150	50	220	40	220	68	410	60	165	51	283	64	263