Madrid-Ciudad Universitaria — May 2009

150 Olive — day 20

140 Olive — day 21

122 Olive — day 22

30 Days measured

Daily pollen level evolution
Day	Cypress/Yew	London Plane	Grasses	Plantain	Olive
1	1 (Low)	11 (Low)	3 (Low)	3 (Low)	0 (Low)
2	0 (Low)	10 (Low)	3 (Low)	6 (Low)	0 (Low)
3	6 (Low)	8 (Low)	4 (Low)	7 (Low)	0 (Low)
4	12 (Low)	9 (Low)	7 (Low)	14 (Low)	0 (Low)
5	3 (Low)	4 (Low)	7 (Low)	5 (Low)	1 (Low)
6	4 (Low)	4 (Low)	11 (Low)	11 (Low)	3 (Low)
7	3 (Low)	3 (Low)	36 (Medium)	15 (Low)	22 (Low)
8	—	—	—	—	—
9	1 (Low)	4 (Low)	69 (Medium)	20 (Medium)	75 (Medium)
10	2 (Low)	2 (Low)	9 (Low)	5 (Low)	16 (Low)
11	2 (Low)	3 (Low)	27 (Low)	5 (Low)	63 (Medium)
12	1 (Low)	4 (Low)	58 (Medium)	5 (Low)	97 (Medium)
13	0 (Low)	1 (Low)	30 (Medium)	3 (Low)	43 (Low)
14	1 (Low)	5 (Low)	24 (Low)	5 (Low)	19 (Low)
15	1 (Low)	2 (Low)	10 (Low)	2 (Low)	4 (Low)
16	0 (Low)	1 (Low)	26 (Low)	4 (Low)	18 (Low)
17	0 (Low)	1 (Low)	28 (Low)	6 (Low)	22 (Low)
18	2 (Low)	3 (Low)	19 (Low)	4 (Low)	19 (Low)
19	0 (Low)	3 (Low)	19 (Low)	4 (Low)	36 (Low)
20	1 (Low)	1 (Low)	23 (Low)	2 (Low)	150 (Medium)
21	1 (Low)	1 (Low)	23 (Low)	4 (Low)	140 (Medium)
22	0 (Low)	1 (Low)	32 (Medium)	1 (Low)	122 (Medium)
23	1 (Low)	0 (Low)	4 (Low)	1 (Low)	24 (Low)
24	0 (Low)	0 (Low)	2 (Low)	2 (Low)	19 (Low)
25	0 (Low)	0 (Low)	5 (Low)	0 (Low)	7 (Low)
26	0 (Low)	1 (Low)	4 (Low)	2 (Low)	4 (Low)
27	0 (Low)	0 (Low)	9 (Low)	2 (Low)	4 (Low)
28	0 (Low)	0 (Low)	7 (Low)	2 (Low)	15 (Low)
29	2 (Low)	0 (Low)	7 (Low)	1 (Low)	22 (Low)
30	1 (Low)	0 (Low)	4 (Low)	2 (Low)	24 (Low)
31	1 (Low)	0 (Low)	2 (Low)	2 (Low)	7 (Low)