Madrid-Ciudad Universitaria — March 2026

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5,678 London Plane — day 25
2,555 London Plane — day 26
1,917 London Plane — day 23
30 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 339 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
2 377 (Very high) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
3 844 (Very high) 0 (Low) 2 (Low) 0 (Low) 0 (Low)
4 761 (Very high) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
5 113 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
6 215 (Very high) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
7 58 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
8 29 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
9 39 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low)
10 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low)
11 — — — — —
12 326 (Very high) 0 (Low) 6 (Low) 0 (Low) 0 (Low)
13 353 (Very high) 1 (Low) 16 (Low) 0 (Low) 0 (Low)
14 262 (Very high) 2 (Low) 3 (Low) 0 (Low) 0 (Low)
15 51 (Medium) 5 (Low) 5 (Low) 0 (Low) 0 (Low)
16 29 (Low) 17 (Low) 3 (Low) 0 (Low) 0 (Low)
17 34 (Medium) 228 (High) 5 (Low) 1 (Low) 0 (Low)
18 26 (Low) 266 (High) 10 (Low) 1 (Low) 0 (Low)
19 23 (Low) 506 (Very high) 11 (Low) 0 (Low) 0 (Low)
20 17 (Low) 305 (Very high) 10 (Low) 0 (Low) 0 (Low)
21 2 (Low) 108 (High) 3 (Low) 0 (Low) 0 (Low)
22 8 (Low) 1,132 (Very high) 5 (Low) 0 (Low) 0 (Low)
23 47 (Medium) 1,917 (Very high) 6 (Low) 0 (Low) 0 (Low)
24 9 (Low) 1,425 (Very high) 4 (Low) 1 (Low) 0 (Low)
25 27 (Low) 5,678 (Very high) 6 (Low) 1 (Low) 0 (Low)
26 13 (Low) 2,555 (Very high) 8 (Low) 0 (Low) 0 (Low)
27 13 (Low) 1,190 (Very high) 7 (Low) 0 (Low) 0 (Low)
28 25 (Low) 1,401 (Very high) 7 (Low) 0 (Low) 0 (Low)
29 58 (Medium) 943 (Very high) 7 (Low) 0 (Low) 0 (Low)
30 7 (Low) 1,011 (Very high) 5 (Low) 1 (Low) 0 (Low)
31 20 (Low) 1,249 (Very high) 3 (Low) 0 (Low) 2 (Low)