Las Rozas — December 2025

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30 Cypress/Yew — day 14
20 Cypress/Yew — day 12
20 Cypress/Yew — day 17
31 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
2 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
3 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low)
4 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
5 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
6 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
7 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
8 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
9 8 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
10 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
11 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
12 20 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
13 15 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
14 30 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
15 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
16 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
17 20 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
18 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
19 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
20 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
21 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
22 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
23 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
24 7 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
25 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
26 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
27 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
28 8 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
29 15 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
30 14 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
31 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)