Table 7.

Daily average Ambrosia pollen counts (grains/m³) recorded at the three sites included in this study on 1–8 September 1999 and 1–8 September 2002

	Rzeszów	Kraków	Poznań
1 September 1999	1	0	0
2 September 1999	6	0	0
3 September 1999	101	86	15
4 September 1999	319	66	97
5 September 1999	80	42	109
6 September 1999	88	71	70
7 September 1999	30	26	15
8 September 1999	7	0	0
1 September 2002	60	8	2
2 September 2002	0	6	0
3 September 2002	36	17	38
4 September 2002	84	39	32
5 September 2002	98	10	37
6 September 2002	40	5	1
7 September 2002	12	3	0
8 September 2002	9	5	0