Alcalá de Henares — March 1995

1,124 London Plane — day 25

986 London Plane — day 20

947 London Plane — day 26

31 Days measured

Daily pollen level evolution
Day	Cypress/Yew	London Plane	Grasses	Plantain	Olive
1	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)
2	0 (Low)	0 (Low)	6 (Low)	0 (Low)	0 (Low)
3	1 (Low)	0 (Low)	5 (Low)	0 (Low)	0 (Low)
4	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)
5	1 (Low)	0 (Low)	1 (Low)	0 (Low)	1 (Low)
6	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)
7	1 (Low)	0 (Low)	2 (Low)	0 (Low)	0 (Low)
8	10 (Low)	0 (Low)	6 (Low)	0 (Low)	1 (Low)
9	3 (Low)	0 (Low)	4 (Low)	0 (Low)	1 (Low)
10	25 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)
11	10 (Low)	0 (Low)	2 (Low)	0 (Low)	1 (Low)
12	13 (Low)	2 (Low)	2 (Low)	0 (Low)	1 (Low)
13	20 (Low)	0 (Low)	1 (Low)	0 (Low)	1 (Low)
14	4 (Low)	9 (Low)	2 (Low)	0 (Low)	0 (Low)
15	7 (Low)	9 (Low)	2 (Low)	0 (Low)	0 (Low)
16	4 (Low)	22 (Low)	5 (Low)	0 (Low)	0 (Low)
17	2 (Low)	76 (Medium)	26 (Low)	0 (Low)	1 (Low)
18	1 (Low)	104 (High)	13 (Low)	0 (Low)	0 (Low)
19	2 (Low)	422 (Very high)	22 (Low)	0 (Low)	1 (Low)
20	0 (Low)	986 (Very high)	11 (Low)	0 (Low)	0 (Low)
21	1 (Low)	211 (High)	1 (Low)	0 (Low)	1 (Low)
22	7 (Low)	885 (Very high)	2 (Low)	0 (Low)	0 (Low)
23	1 (Low)	98 (Medium)	5 (Low)	0 (Low)	0 (Low)
24	4 (Low)	508 (Very high)	1 (Low)	2 (Low)	0 (Low)
25	2 (Low)	1,124 (Very high)	1 (Low)	1 (Low)	0 (Low)
26	1 (Low)	947 (Very high)	5 (Low)	0 (Low)	0 (Low)
27	2 (Low)	432 (Very high)	6 (Low)	0 (Low)	0 (Low)
28	2 (Low)	305 (Very high)	6 (Low)	0 (Low)	0 (Low)
29	1 (Low)	105 (High)	8 (Low)	0 (Low)	1 (Low)
30	1 (Low)	91 (Medium)	10 (Low)	0 (Low)	0 (Low)
31	0 (Low)	16 (Low)	6 (Low)	0 (Low)	2 (Low)