Alcalá de Henares — March 2002

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4,121 London Plane — day 31
1,815 London Plane — day 25
1,153 London Plane — day 27
31 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 497 (Very high) 0 (Low) 4 (Low) 0 (Low) 0 (Low)
2 29 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low)
3 24 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low)
4 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
5 9 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low)
6 9 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
7 132 (High) 0 (Low) 3 (Low) 0 (Low) 0 (Low)
8 143 (High) 0 (Low) 5 (Low) 0 (Low) 0 (Low)
9 565 (Very high) 0 (Low) 8 (Low) 0 (Low) 0 (Low)
10 662 (Very high) 0 (Low) 7 (Low) 0 (Low) 0 (Low)
11 279 (Very high) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
12 304 (Very high) 0 (Low) 5 (Low) 0 (Low) 0 (Low)
13 195 (High) 0 (Low) 2 (Low) 0 (Low) 0 (Low)
14 34 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
15 6 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low)
16 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
17 13 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low)
18 18 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low)
19 97 (High) 1 (Low) 8 (Low) 0 (Low) 0 (Low)
20 34 (Medium) 2 (Low) 5 (Low) 0 (Low) 0 (Low)
21 29 (Low) 15 (Low) 8 (Low) 0 (Low) 0 (Low)
22 28 (Low) 105 (High) 4 (Low) 0 (Low) 0 (Low)
23 25 (Low) 512 (Very high) 7 (Low) 0 (Low) 0 (Low)
24 18 (Low) 655 (Very high) 7 (Low) 0 (Low) 0 (Low)
25 34 (Medium) 1,815 (Very high) 2 (Low) 1 (Low) 0 (Low)
26 16 (Low) 859 (Very high) 5 (Low) 0 (Low) 0 (Low)
27 8 (Low) 1,153 (Very high) 0 (Low) 1 (Low) 0 (Low)
28 23 (Low) 1,037 (Very high) 4 (Low) 1 (Low) 0 (Low)
29 1 (Low) 884 (Very high) 1 (Low) 1 (Low) 0 (Low)
30 2 (Low) 907 (Very high) 7 (Low) 0 (Low) 0 (Low)
31 3 (Low) 4,121 (Very high) 6 (Low) 2 (Low) 0 (Low)