Alcalá de Henares — April 2007

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1,393 London Plane — day 15
1,248 London Plane — day 14
975 London Plane — day 17
30 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 1 (Low) 134 (High) 0 (Low) 0 (Low) 0 (Low)
2 0 (Low) 23 (Low) 0 (Low) 0 (Low) 0 (Low)
3 0 (Low) 698 (Very high) 9 (Low) 0 (Low) 0 (Low)
4 1 (Low) 257 (High) 4 (Low) 0 (Low) 0 (Low)
5 0 (Low) 315 (Very high) 0 (Low) 0 (Low) 0 (Low)
6 1 (Low) 642 (Very high) 0 (Low) 0 (Low) 0 (Low)
7 0 (Low) 116 (High) 0 (Low) 0 (Low) 0 (Low)
8 0 (Low) 211 (High) 0 (Low) 0 (Low) 0 (Low)
9 2 (Low) 449 (Very high) 1 (Low) 0 (Low) 0 (Low)
10 1 (Low) 32 (Medium) 0 (Low) 0 (Low) 0 (Low)
11 3 (Low) 417 (Very high) 1 (Low) 1 (Low) 0 (Low)
12 0 (Low) 37 (Medium) 1 (Low) 0 (Low) 0 (Low)
13 1 (Low) 673 (Very high) 1 (Low) 0 (Low) 0 (Low)
14 0 (Low) 1,248 (Very high) 2 (Low) 0 (Low) 0 (Low)
15 9 (Low) 1,393 (Very high) 4 (Low) 4 (Low) 0 (Low)
16 1 (Low) 448 (Very high) 0 (Low) 0 (Low) 0 (Low)
17 6 (Low) 975 (Very high) 4 (Low) 2 (Low) 0 (Low)
18 0 (Low) 144 (High) 1 (Low) 1 (Low) 0 (Low)
19 0 (Low) 253 (High) 2 (Low) 0 (Low) 0 (Low)
20 0 (Low) 373 (Very high) 1 (Low) 0 (Low) 0 (Low)
21 1 (Low) 181 (High) 1 (Low) 1 (Low) 0 (Low)
22 0 (Low) 108 (High) 0 (Low) 1 (Low) 0 (Low)
23 0 (Low) 55 (Medium) 0 (Low) 1 (Low) 0 (Low)
24 0 (Low) 63 (Medium) 0 (Low) 1 (Low) 0 (Low)
25 0 (Low) 81 (Medium) 2 (Low) 1 (Low) 0 (Low)
26 1 (Low) 7 (Low) 0 (Low) 0 (Low) 0 (Low)
27 0 (Low) 8 (Low) 0 (Low) 0 (Low) 0 (Low)
28 1 (Low) 5 (Low) 1 (Low) 0 (Low) 0 (Low)
29 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low)
30 1 (Low) 1 (Low) 3 (Low) 2 (Low) 0 (Low)