Collado Villalba — April 2021

24 Plantain — day 30

18 Plantain — day 28

17 Plantain — day 21

29 Days measured

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