Alcalá de Henares — April 2025

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2,024 London Plane — day 1
1,858 London Plane — day 2
1,350 London Plane — day 8
30 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 10 (Low) 2,024 (Very high) 2 (Low) 0 (Low) 0 (Low)
2 7 (Low) 1,858 (Very high) 4 (Low) 6 (Low) 0 (Low)
3 0 (Low) 94 (Medium) 0 (Low) 0 (Low) 0 (Low)
4 6 (Low) 1,047 (Very high) 1 (Low) 0 (Low) 0 (Low)
5 4 (Low) 425 (Very high) 3 (Low) 1 (Low) 1 (Low)
6 4 (Low) 892 (Very high) 4 (Low) 4 (Low) 1 (Low)
7 4 (Low) 759 (Very high) 3 (Low) 4 (Low) 1 (Low)
8 4 (Low) 1,350 (Very high) 0 (Low) 0 (Low) 1 (Low)
9 1 (Low) 680 (Very high) 0 (Low) 0 (Low) 0 (Low)
10 6 (Low) 449 (Very high) 5 (Low) 0 (Low) 0 (Low)
11 3 (Low) 96 (Medium) 4 (Low) 4 (Low) 1 (Low)
12 1 (Low) 109 (High) 1 (Low) 2 (Low) 0 (Low)
13 2 (Low) 314 (Very high) 15 (Low) 13 (Low) 0 (Low)
14 1 (Low) 140 (High) 3 (Low) 1 (Low) 0 (Low)
15 2 (Low) 27 (Low) 0 (Low) 0 (Low) 0 (Low)
16 8 (Low) 339 (Very high) 1 (Low) 2 (Low) 1 (Low)
17 1 (Low) 79 (Medium) 7 (Low) 9 (Low) 1 (Low)
18 5 (Low) 132 (High) 6 (Low) 16 (Low) 0 (Low)
19 3 (Low) 118 (High) 3 (Low) 10 (Low) 1 (Low)
20 1 (Low) 23 (Low) 5 (Low) 3 (Low) 0 (Low)
21 1 (Low) 50 (Medium) 5 (Low) 8 (Low) 0 (Low)
22 1 (Low) 32 (Medium) 1 (Low) 9 (Low) 0 (Low)
23 11 (Low) 50 (Medium) 4 (Low) 12 (Low) 0 (Low)
24 8 (Low) 54 (Medium) 4 (Low) 8 (Low) 1 (Low)
25 14 (Low) 87 (Medium) 2 (Low) 8 (Low) 2 (Low)
26 20 (Low) 109 (High) 6 (Low) 11 (Low) 0 (Low)
27 16 (Low) 57 (Medium) 1 (Low) 4 (Low) 1 (Low)
28 9 (Low) 74 (Medium) 6 (Low) 5 (Low) 3 (Low)
29 9 (Low) 41 (Medium) 4 (Low) 3 (Low) 10 (Low)
30 5 (Low) 80 (Medium) 4 (Low) 5 (Low) 20 (Low)