Alcalá de Henares — March 2009

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14,593 London Plane — day 24
11,696 London Plane — day 21
10,564 London Plane — day 20
31 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 497 (Very high) 0 (Low) 2 (Low) 0 (Low) 0 (Low)
2 442 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
3 42 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
4 243 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
5 46 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
6 19 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low)
7 223 (Very high) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
8 353 (Very high) 0 (Low) 9 (Low) 0 (Low) 0 (Low)
9 359 (Very high) 0 (Low) 2 (Low) 0 (Low) 0 (Low)
10 108 (High) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
11 84 (Medium) 1 (Low) 3 (Low) 0 (Low) 0 (Low)
12 177 (High) 3 (Low) 2 (Low) 0 (Low) 0 (Low)
13 84 (Medium) 16 (Low) 0 (Low) 0 (Low) 0 (Low)
14 91 (High) 78 (Medium) 5 (Low) 0 (Low) 0 (Low)
15 160 (High) 196 (High) 0 (Low) 0 (Low) 0 (Low)
16 310 (Very high) 469 (Very high) 1 (Low) 0 (Low) 0 (Low)
17 132 (High) 349 (Very high) 4 (Low) 0 (Low) 0 (Low)
18 54 (Medium) 635 (Very high) 1 (Low) 5 (Low) 0 (Low)
19 19 (Low) 1,739 (Very high) 4 (Low) 0 (Low) 0 (Low)
20 75 (Medium) 10,564 (Very high) 5 (Low) 0 (Low) 0 (Low)
21 56 (Medium) 11,696 (Very high) 8 (Low) 0 (Low) 0 (Low)
22 44 (Medium) 9,586 (Very high) 2 (Low) 1 (Low) 0 (Low)
23 15 (Low) 6,217 (Very high) 6 (Low) 0 (Low) 0 (Low)
24 39 (Medium) 14,593 (Very high) 13 (Low) 0 (Low) 0 (Low)
25 17 (Low) 3,550 (Very high) 0 (Low) 2 (Low) 0 (Low)
26 36 (Medium) 6,959 (Very high) 18 (Low) 1 (Low) 0 (Low)
27 22 (Low) 8,658 (Very high) 29 (Low) 0 (Low) 0 (Low)
28 40 (Medium) 6,655 (Very high) 28 (Low) 3 (Low) 0 (Low)
29 30 (Medium) 985 (Very high) 13 (Low) 0 (Low) 0 (Low)
30 11 (Low) 391 (Very high) 8 (Low) 1 (Low) 0 (Low)
31 12 (Low) 453 (Very high) 6 (Low) 1 (Low) 0 (Low)