Ambient Air Quality Data

Station : Panaji
Month	SO2		NOx		RSPM		SPM
Year	No. of Obs	Arith Mean	No. of Obs	Arith Mean	No. of Obs	Arith Mean	No. of Obs	Arith Mean
April '08	54	2.0	54	10.55	27	44.1	27	69.1
May '08	48	2.0	48	9.2	24	32.8	24	73.5
June '08	54	2.96	54	8.7	27	27.8	27	60.7
July '08	53	3.49	53	7.3	27	22.7	27	47.4
Aug. '08	46	2.95	46	6.2	23	28.4	23	57.3
Sept. '08	48	2.29	48	7.9	24	28.2	24	49.0
Oct. '08	54	2.0	54	13.6	27	56.4	27	93.7
Nov. '08	48	2.2	48	17.77	24	70.1	24	115.08
Dec. '08	60	2.38	60	16.73	30	101.7	30	180.2
Jan. '09	43	3.93	43	18.81	23	92.1	23	174.4
Feb. '09	46	2.69	46	20.34	23	72.39	23	132.3
March '09	53	1.83	54	13.77	27	67.4	27	130.5
Station : MPT-Mormugao
Month	SO2		NOx		RSPM		SPM
Year	No. of Obs	Arith Mean	No. of Obs	Arith Mean	No. of Obs	Arith Mean	No. of Obs	Arith Mean
April '08	54	2.98	54	12.6	27	39.0	27	86.5
May '08	45	2.4	45	14.06	23	35.4	23	123.3
June '08	48	2.0	48	10.87	27	23.4	27	55.48
July '08	54	4.3	54	10.0	30	35.3	30	107.9
Aug. '08	46	2.6	46	8.7	23	34.2	23	71
Sept. '08	48	2.2	48	9.6	24	29.8	24	43.9
Oct. '08	48	2.0	48	10.4	27	50.1	27	71.1
Nov. '08	48	2.0	48	12.8	24	68.7	24	106.4
Dec. '08	54	2.5	54	14.2	27	43.9	27	170.0
Jan. '09	54	4.0	54	12.9	27	84.9	27	145.0
Feb. '09	48	4.2	48	11.8	24	77.0	24	137.8
March '09	54	2.9	54	14.8	27	64.7	27	185.7
Station : Vasco da Gama
Month	SO2		NOx		RSPM		SPM
Year	No. of Obs	Arith Mean	No. of Obs	Arith Mean	No. of Obs	Arith Mean	No. of Obs	Arith Mean
April '08	54	2.42	54	6.48	27	45.59	27	76.33
May '08	48	2.39	48	7.34	24	36.87	24	96.12
June '08	48	2.18	48	6.82	24	22.41	24	56.87
July '08	58	3.44	58	6.96	29	25.0	29	47.8
Aug. '08	46	2.6	46	7.3	27	26.0	27	63.0
Sept. '08	42	2.3	42	8.4	21	31.0	21	70.3
Oct. '08	48	2.6	48	11.2	21	52.6	21	80.3
Nov. '08	42	2.4	42	41.4	21	74.4	21	127.9
Dec. '08	48	2.6	48	18.6	24	89.0	24	149.2
Jan. '09	48	2.3	48	22.3	24	92.5	24	162.9
Feb. '09	47	5.0	47	23.3	24	83.6	24	172.6
March '09	54	2.9	54	14.7	27	64.7	27	185.6