	Aubure	X 8	X 16			Aubure	X 8	X 16
	Atmospheric conc.	Atmospheric conc.	Atmospheric conc.			Atmospheric conc.	Atmospheric conc.	Atmospheric conc.
Date	SO2	SO2	SO2		Date	NO2	NO2	NO2
[Year]	[g m-3]	[g m-3]	[g m-3]		[Year]	[g m-3]	[g m-3]	[g m-3]
1978			116.42		1978			
1979			84.87		1979			
1980			92.97		1980			
1981			95.95		1981			23.79
1982			151.50		1982			32.82
1983		8.30	102.17		1983		11.10	30.10
1984		10.40	104.67		1984		10.40	23.96
1985		14.10	92.19		1985		11.00	28.96
1986	17.33	20.30	120.40		1986	7.96	10.00	36.39
1987	10.09	18.80	124.22		1987	5.90	13.90	27.92
1988	4.64	22.40	82.14		1988	2.89	9.40	26.06
1989	3.45	18.20	100.58		1989	4.55	8.40	26.57
1990	3.67	21.20	73.89		1990	6.08		26.24
1991	4.91	26.70	83.49		1991	6.83	8.20	29.02
1992	3.50	18.30	49.11		1992	6.17	5.30	31.00
1993	5.36	12.60	56.64		1993	5.45	6.60	34.00
1994	2.83	9.80	41.91		1994	5.92	4.30	33.00
1995	2.08	8.80	44.04		1995	4.25	6.20	27.00
1996	2.83	12.20	41.18		1996	5.58	7.10	19.00
1997	2.15	8.20	30.94		1997	3.17	7.40	27.00
