Alcalá de Henares — March 2001

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12,917 London Plane — day 24
10,803 London Plane — day 23
5,228 London Plane — day 22
31 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
2 67 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
3 201 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
4 283 (Very high) 0 (Low) 3 (Low) 0 (Low) 0 (Low)
5 57 (Medium) 1 (Low) 2 (Low) 0 (Low) 0 (Low)
6 208 (Very high) 0 (Low) 3 (Low) 1 (Low) 0 (Low)
7 92 (High) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
8 194 (High) 0 (Low) 6 (Low) 0 (Low) 0 (Low)
9 26 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low)
10 91 (High) 0 (Low) 11 (Low) 0 (Low) 0 (Low)
11 26 (Low) 2 (Low) 9 (Low) 0 (Low) 0 (Low)
12 18 (Low) 0 (Low) 8 (Low) 0 (Low) 0 (Low)
13 30 (Medium) 1 (Low) 4 (Low) 0 (Low) 0 (Low)
14 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
15 6 (Low) 6 (Low) 5 (Low) 0 (Low) 0 (Low)
16 17 (Low) 14 (Low) 8 (Low) 1 (Low) 0 (Low)
17 9 (Low) 15 (Low) 2 (Low) 0 (Low) 0 (Low)
18 5 (Low) 23 (Low) 12 (Low) 0 (Low) 0 (Low)
19 1 (Low) 47 (Medium) 11 (Low) 0 (Low) 0 (Low)
20 4 (Low) 393 (Very high) 8 (Low) 0 (Low) 0 (Low)
21 4 (Low) 2,043 (Very high) 29 (Low) 0 (Low) 0 (Low)
22 2 (Low) 5,228 (Very high) 9 (Low) 0 (Low) 0 (Low)
23 3 (Low) 10,803 (Very high) 2 (Low) 0 (Low) 0 (Low)
24 10 (Low) 12,917 (Very high) 5 (Low) 0 (Low) 0 (Low)
25 6 (Low) 4,926 (Very high) 2 (Low) 1 (Low) 0 (Low)
26 2 (Low) 3,569 (Very high) 1 (Low) 0 (Low) 0 (Low)
27 1 (Low) 780 (Very high) 9 (Low) 0 (Low) 0 (Low)
28 1 (Low) 790 (Very high) 10 (Low) 1 (Low) 0 (Low)
29 13 (Low) 697 (Very high) 7 (Low) 0 (Low) 0 (Low)
30 2 (Low) 195 (High) 14 (Low) 0 (Low) 0 (Low)
31 0 (Low) 396 (Very high) 18 (Low) 0 (Low) 0 (Low)