Collado Villalba — May 2012

125 Grasses — day 30

71 Grasses — day 27

67 Grasses — day 17

28 Days measured

Daily pollen level evolution
Day	Cypress/Yew	London Plane	Grasses	Plantain	Olive
1	2 (Low)	11 (Low)	0 (Low)	2 (Low)	0 (Low)
2	3 (Low)	4 (Low)	3 (Low)	11 (Low)	14 (Low)
3	2 (Low)	6 (Low)	2 (Low)	2 (Low)	5 (Low)
4	1 (Low)	5 (Low)	3 (Low)	0 (Low)	0 (Low)
5	4 (Low)	2 (Low)	0 (Low)	0 (Low)	0 (Low)
6	1 (Low)	33 (Medium)	5 (Low)	2 (Low)	0 (Low)
7	1 (Low)	10 (Low)	4 (Low)	11 (Low)	1 (Low)
8	4 (Low)	4 (Low)	2 (Low)	2 (Low)	1 (Low)
9	5 (Low)	13 (Low)	13 (Low)	5 (Low)	0 (Low)
10	3 (Low)	7 (Low)	22 (Low)	10 (Low)	4 (Low)
11	0 (Low)	1 (Low)	19 (Low)	3 (Low)	2 (Low)
12	0 (Low)	0 (Low)	11 (Low)	0 (Low)	0 (Low)
13	0 (Low)	0 (Low)	4 (Low)	2 (Low)	2 (Low)
14	1 (Low)	10 (Low)	39 (Medium)	12 (Low)	5 (Low)
15	3 (Low)	2 (Low)	37 (Medium)	10 (Low)	3 (Low)
16	7 (Low)	6 (Low)	35 (Medium)	23 (Medium)	2 (Low)
17	0 (Low)	0 (Low)	67 (Medium)	7 (Low)	36 (Low)
18	0 (Low)	0 (Low)	20 (Low)	5 (Low)	6 (Low)
19	1 (Low)	1 (Low)	18 (Low)	3 (Low)	2 (Low)
20	0 (Low)	0 (Low)	3 (Low)	0 (Low)	0 (Low)
21	1 (Low)	2 (Low)	17 (Low)	4 (Low)	0 (Low)
22	1 (Low)	0 (Low)	18 (Low)	2 (Low)	3 (Low)
23	1 (Low)	1 (Low)	31 (Medium)	7 (Low)	2 (Low)
24	5 (Low)	0 (Low)	19 (Low)	6 (Low)	5 (Low)
25	2 (Low)	0 (Low)	31 (Medium)	7 (Low)	13 (Low)
26	3 (Low)	0 (Low)	34 (Medium)	16 (Low)	0 (Low)
27	1 (Low)	2 (Low)	71 (Medium)	41 (Medium)	0 (Low)
28	—	—	—	—	—
29	—	—	—	—	—
30	6 (Low)	0 (Low)	125 (High)	16 (Low)	40 (Low)
31	—	—	—	—	—