Madrid-Ciudad Universitaria — April 2026

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1,702 London Plane — day 6
1,603 London Plane — day 5
1,326 London Plane — day 4
26 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 22 (Low) 1,170 (Very high) 4 (Low) 0 (Low) 0 (Low)
2 14 (Low) 1,009 (Very high) 8 (Low) 1 (Low) 1 (Low)
3 7 (Low) 671 (Very high) 2 (Low) 2 (Low) 1 (Low)
4 36 (Medium) 1,326 (Very high) 10 (Low) 2 (Low) 1 (Low)
5 11 (Low) 1,603 (Very high) 31 (Medium) 1 (Low) 0 (Low)
6 23 (Low) 1,702 (Very high) 19 (Low) 1 (Low) 0 (Low)
7 21 (Low) 1,223 (Very high) 24 (Low) 7 (Low) 1 (Low)
8 5 (Low) 330 (Very high) 3 (Low) 1 (Low) 0 (Low)
9 6 (Low) 386 (Very high) 8 (Low) 3 (Low) 1 (Low)
10 9 (Low) 425 (Very high) 8 (Low) 5 (Low) 1 (Low)
11 17 (Low) 307 (Very high) 8 (Low) 3 (Low) 1 (Low)
12 14 (Low) 182 (High) 3 (Low) 3 (Low) 1 (Low)
13 3 (Low) 129 (High) 8 (Low) 0 (Low) 0 (Low)
14 5 (Low) 53 (Medium) 7 (Low) 1 (Low) 0 (Low)
15 5 (Low) 153 (High) 16 (Low) 4 (Low) 0 (Low)
16 3 (Low) 89 (Medium) 25 (Low) 12 (Low) 0 (Low)
17 4 (Low) 101 (High) 26 (Low) 13 (Low) 0 (Low)
18 5 (Low) 90 (Medium) 26 (Low) 7 (Low) 0 (Low)
19 5 (Low) 108 (High) 25 (Low) 12 (Low) 1 (Low)
20 8 (Low) 53 (Medium) 43 (Medium) 21 (Medium) 20 (Low)
21 8 (Low) 59 (Medium) 33 (Medium) 20 (Medium) 15 (Low)
22 2 (Low) 36 (Medium) 42 (Medium) 15 (Low) 97 (Medium)
23 10 (Low) 44 (Medium) 23 (Low) 15 (Low) 22 (Low)
24 — — — — —
25 — — — — —
26 — — — — —
27 — — — — —
28 8 (Low) 5 (Low) 31 (Medium) 13 (Low) 18 (Low)
29 6 (Low) 7 (Low) 30 (Medium) 4 (Low) 42 (Low)
30 1 (Low) 1 (Low) 152 (Very high) 13 (Low) 1,098 (Very high)