Alcalá de Henares — September 1993

3 Grasses — day 12

3 Grasses — day 15

3 Grasses — day 19

30 Days measured

Daily pollen level evolution
Day	Grasses
1	0 (Low)
2	0 (Low)
3	0 (Low)
4	1 (Low)
5	1 (Low)
6	0 (Low)
7	0 (Low)
8	2 (Low)
9	1 (Low)
10	0 (Low)
11	1 (Low)
12	3 (Low)
13	0 (Low)
14	2 (Low)
15	3 (Low)
16	1 (Low)
17	1 (Low)
18	2 (Low)
19	3 (Low)
20	1 (Low)
21	1 (Low)
22	0 (Low)
23	0 (Low)
24	0 (Low)
25	0 (Low)
26	0 (Low)
27	0 (Low)
28	0 (Low)
29	0 (Low)
30	0 (Low)