Alcalá de Henares — April 2026

Show all types
730 Olive — day 30
554 London Plane — day 1
514 London Plane — day 6
30 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 20 (Low) 554 (Very high) 1 (Low) 0 (Low) 0 (Low)
2 15 (Low) 243 (High) 4 (Low) 0 (Low) 0 (Low)
3 11 (Low) 334 (Very high) 3 (Low) 0 (Low) 0 (Low)
4 8 (Low) 259 (High) 1 (Low) 0 (Low) 0 (Low)
5 12 (Low) 393 (Very high) 3 (Low) 1 (Low) 0 (Low)
6 35 (Medium) 514 (Very high) 2 (Low) 1 (Low) 0 (Low)
7 28 (Low) 384 (Very high) 7 (Low) 11 (Low) 3 (Low)
8 13 (Low) 199 (High) 1 (Low) 1 (Low) 0 (Low)
9 12 (Low) 236 (High) 2 (Low) 1 (Low) 1 (Low)
10 13 (Low) 270 (High) 4 (Low) 3 (Low) 0 (Low)
11 22 (Low) 238 (High) 5 (Low) 4 (Low) 0 (Low)
12 9 (Low) 170 (High) 2 (Low) 1 (Low) 0 (Low)
13 8 (Low) 64 (Medium) 6 (Low) 0 (Low) 0 (Low)
14 6 (Low) 52 (Medium) 6 (Low) 0 (Low) 0 (Low)
15 9 (Low) 59 (Medium) 6 (Low) 6 (Low) 0 (Low)
16 10 (Low) 59 (Medium) 8 (Low) 6 (Low) 0 (Low)
17 8 (Low) 50 (Medium) 10 (Low) 13 (Low) 2 (Low)
18 11 (Low) 75 (Medium) 16 (Low) 18 (Low) 6 (Low)
19 18 (Low) 54 (Medium) 9 (Low) 14 (Low) 13 (Low)
20 11 (Low) 26 (Low) 12 (Low) 13 (Low) 25 (Low)
21 30 (Medium) 46 (Medium) 10 (Low) 18 (Low) 21 (Low)
22 3 (Low) 17 (Low) 16 (Low) 8 (Low) 112 (Medium)
23 24 (Low) 39 (Medium) 14 (Low) 12 (Low) 35 (Low)
24 18 (Low) 32 (Medium) 57 (Medium) 7 (Low) 325 (High)
25 44 (Medium) 23 (Low) 5 (Low) 6 (Low) 16 (Low)
26 18 (Low) 22 (Low) 8 (Low) 2 (Low) 4 (Low)
27 18 (Low) 14 (Low) 6 (Low) 4 (Low) 9 (Low)
28 11 (Low) 13 (Low) 25 (Low) 12 (Low) 36 (Low)
29 8 (Low) 16 (Low) 9 (Low) 7 (Low) 33 (Low)
30 4 (Low) 5 (Low) 121 (High) 11 (Low) 730 (Very high)