Las Rozas — September 2025

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