Madrid-Ciudad Universitaria — March 1995

1,952 London Plane — day 26

1,700 London Plane — day 25

1,300 London Plane — day 27

31 Days measured

Daily pollen level evolution
Day	Cypress/Yew	London Plane	Grasses	Plantain	Olive
1	8 (Low)	0 (Low)	6 (Low)	0 (Low)	0 (Low)
2	74 (Medium)	0 (Low)	7 (Low)	0 (Low)	0 (Low)
3	40 (Medium)	0 (Low)	5 (Low)	0 (Low)	0 (Low)
4	4 (Low)	0 (Low)	3 (Low)	0 (Low)	0 (Low)
5	55 (Medium)	0 (Low)	3 (Low)	0 (Low)	0 (Low)
6	73 (Medium)	0 (Low)	2 (Low)	0 (Low)	0 (Low)
7	11 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)
8	12 (Low)	0 (Low)	7 (Low)	0 (Low)	0 (Low)
9	3 (Low)	0 (Low)	3 (Low)	0 (Low)	0 (Low)
10	23 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)
11	39 (Medium)	0 (Low)	0 (Low)	0 (Low)	0 (Low)
12	35 (Medium)	0 (Low)	0 (Low)	0 (Low)	0 (Low)
13	30 (Medium)	0 (Low)	1 (Low)	0 (Low)	0 (Low)
14	18 (Low)	0 (Low)	2 (Low)	0 (Low)	0 (Low)
15	13 (Low)	0 (Low)	2 (Low)	0 (Low)	0 (Low)
16	11 (Low)	1 (Low)	3 (Low)	0 (Low)	0 (Low)
17	9 (Low)	1 (Low)	9 (Low)	0 (Low)	1 (Low)
18	3 (Low)	7 (Low)	5 (Low)	0 (Low)	1 (Low)
19	6 (Low)	65 (Medium)	1 (Low)	0 (Low)	1 (Low)
20	8 (Low)	130 (High)	6 (Low)	0 (Low)	1 (Low)
21	0 (Low)	287 (High)	2 (Low)	0 (Low)	0 (Low)
22	4 (Low)	898 (Very high)	7 (Low)	0 (Low)	1 (Low)
23	1 (Low)	327 (Very high)	3 (Low)	0 (Low)	0 (Low)
24	1 (Low)	1,281 (Very high)	7 (Low)	0 (Low)	0 (Low)
25	6 (Low)	1,700 (Very high)	9 (Low)	0 (Low)	1 (Low)
26	1 (Low)	1,952 (Very high)	3 (Low)	0 (Low)	1 (Low)
27	1 (Low)	1,300 (Very high)	4 (Low)	0 (Low)	1 (Low)
28	3 (Low)	929 (Very high)	6 (Low)	0 (Low)	1 (Low)
29	6 (Low)	1,291 (Very high)	3 (Low)	0 (Low)	1 (Low)
30	5 (Low)	768 (Very high)	3 (Low)	0 (Low)	1 (Low)
31	2 (Low)	336 (Very high)	1 (Low)	1 (Low)	1 (Low)