Madrid-Arganzuela — July 2002

36 Grasses — day 6

25 Grasses — day 4

24 Grasses — day 3

31 Days measured

Daily pollen level evolution
Day	Cypress/Yew	Grasses	Plantain	Olive
1	0 (Low)	3 (Low)	0 (Low)	0 (Low)
2	1 (Low)	22 (Low)	0 (Low)	2 (Low)
3	3 (Low)	24 (Low)	0 (Low)	3 (Low)
4	0 (Low)	25 (Low)	2 (Low)	4 (Low)
5	0 (Low)	12 (Low)	0 (Low)	1 (Low)
6	0 (Low)	36 (Medium)	1 (Low)	2 (Low)
7	0 (Low)	13 (Low)	1 (Low)	2 (Low)
8	3 (Low)	1 (Low)	0 (Low)	3 (Low)
9	3 (Low)	9 (Low)	1 (Low)	1 (Low)
10	4 (Low)	5 (Low)	1 (Low)	0 (Low)
11	2 (Low)	3 (Low)	1 (Low)	1 (Low)
12	2 (Low)	13 (Low)	0 (Low)	0 (Low)
13	3 (Low)	10 (Low)	1 (Low)	2 (Low)
14	2 (Low)	10 (Low)	0 (Low)	1 (Low)
15	1 (Low)	8 (Low)	1 (Low)	2 (Low)
16	7 (Low)	3 (Low)	0 (Low)	1 (Low)
17	0 (Low)	3 (Low)	1 (Low)	2 (Low)
18	0 (Low)	2 (Low)	1 (Low)	0 (Low)
19	0 (Low)	3 (Low)	0 (Low)	1 (Low)
20	1 (Low)	3 (Low)	0 (Low)	1 (Low)
21	1 (Low)	1 (Low)	0 (Low)	1 (Low)
22	0 (Low)	12 (Low)	1 (Low)	2 (Low)
23	1 (Low)	8 (Low)	1 (Low)	4 (Low)
24	0 (Low)	4 (Low)	1 (Low)	0 (Low)
25	0 (Low)	13 (Low)	0 (Low)	0 (Low)
26	1 (Low)	3 (Low)	1 (Low)	1 (Low)
27	0 (Low)	5 (Low)	1 (Low)	0 (Low)
28	0 (Low)	5 (Low)	1 (Low)	2 (Low)
29	1 (Low)	3 (Low)	0 (Low)	0 (Low)
30	0 (Low)	2 (Low)	0 (Low)	0 (Low)
31	0 (Low)	2 (Low)	3 (Low)	1 (Low)