haldiair

AMBIENT AIR QUALITY AT TWO STATIONS IN HALDIA IN 2001

Months	Suspended Particulate Matter (SPM) (monthly average in g/m³)			Sulphur Dioxide (SO₂) (monthly average in g/m³)			Nitrogen Oxides (NO_X) (monthly average in g/m³)
Months	Super-market	WBIIDC	Average Haldia	Super-market	WBIIDC	Average Haldia	Super-market	WBIIDC	Average Haldia
January, 2001	249	114	182	18	14	16	94	45	70
February, 2001	230	126	178	14	15	15	74	46	60
March, 2001	208	99	154	17	9	13	56	35	46
April, 2001	203	101	152	13	9	11	65	32	49
May, 2001	147	80	114	18	10	14	86	31	59
June, 2001	134	85	110	18	13	16	73	41	57
July, 2001	97	69	83	16	13	15	49	30	40
August, 2001	80	63	72	18	13	16	50	37	44
September, 2001	98	84	91	18	15	17	49	36	43
October, 2001	75	49	62	24	21	23	49	37	43
November, 2001	116	87	102	22	16	19	58	39	49
December, 2001	213	209	211	14	12	13	55	46	51

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West Bengal Pollution Control Board
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