Madrid-Ciudad Universitaria — May 2026

Main only
676 Pine — day 4
645 Olive — day 25
599 Pine — day 3
31 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive Birch Privet Alder Maple Mugwort Chestnut Composites Hazel Heather Eucalyptus Ash Mulberry Elm Pine Poplar Goosefoot/Amaranth Oak Sorrel Willow Nettle Other Unidentified
1 1 (Low) 1 (Low) 123 (High) 15 (Low) 177 (Medium) 0 (Low) 0 (Low) 0 (Low) 29 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 193 (Very high) 0 (Low) 3 (Low) 342 (Very high) 8 (Low) 0 (Low) 6 (Low) 19 0
2 5 (Low) 3 (Low) 69 (Medium) 13 (Low) 417 (Very high) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 10 (Low) 0 (Low) 6 (Low) 61 (High) 1 (Low) 0 (Low) 0 (Low) 10 0
3 8 (Low) 0 (Low) 339 (Very high) 23 (Medium) 539 (Very high) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 599 (Very high) 0 (Low) 4 (Low) 151 (Very high) 6 (Low) 0 (Low) 1 (Low) 21 0
4 3 (Low) 5 (Low) 104 (High) 10 (Low) 71 (Medium) 0 (Low) 0 (Low) 0 (Low) 14 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 676 (Very high) 0 (Low) 1 (Low) 160 (Very high) 5 (Low) 0 (Low) 5 (Low) 28 0
5 0 (Low) 3 (Low) 79 (Medium) 7 (Low) 49 (Low) 0 (Low) 0 (Low) 0 (Low) 14 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 82 (High) 0 (Low) 2 (Low) 193 (Very high) 1 (Low) 0 (Low) 2 (Low) 6 1
6 1 (Low) 2 (Low) 14 (Low) 5 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 40 (Medium) 0 (Low) 1 (Low) 96 (High) 3 (Low) 0 (Low) 12 (Low) 3 0
7 2 (Low) 1 (Low) 21 (Low) 8 (Low) 73 (Medium) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 34 (Medium) 0 (Low) 1 (Low) 99 (High) 1 (Low) 0 (Low) 1 (Low) 5 0
8 0 (Low) 0 (Low) 47 (Medium) 4 (Low) 92 (Medium) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 25 (Medium) 0 (Low) 1 (Low) 40 (Medium) 5 (Low) 0 (Low) 1 (Low) 2 0
9 1 (Low) 0 (Low) 16 (Low) 2 (Low) 109 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 48 (Medium) 0 (Low) 2 (Low) 63 (High) 0 (Low) 0 (Low) 2 (Low) 1 0
10 1 (Low) 1 (Low) 16 (Low) 4 (Low) 41 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 86 (High) 0 (Low) 0 (Low) 28 (Medium) 2 (Low) 0 (Low) 0 (Low) 0 0
11 1 (Low) 1 (Low) 152 (Very high) 11 (Low) 150 (Medium) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 42 (Medium) 0 (Low) 1 (Low) 50 (High) 2 (Low) 0 (Low) 2 (Low) 5 1
12 1 (Low) 0 (Low) 76 (Medium) 7 (Low) 62 (Medium) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 103 (Very high) 0 (Low) 0 (Low) 57 (High) 4 (Low) 0 (Low) 2 (Low) 15 0
13 1 (Low) 3 (Low) 27 (Low) 4 (Low) 11 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 54 (High) 0 (Low) 0 (Low) 113 (Very high) 4 (Low) 0 (Low) 5 (Low) 35 0
14 3 (Low) 3 (Low) 33 (Medium) 7 (Low) 30 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 120 (Very high) 0 (Low) 0 (Low) 196 (Very high) 3 (Low) 0 (Low) 3 (Low) 5 0
15 6 (Low) 0 (Low) 10 (Low) 4 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 66 (High) 0 (Low) 0 (Low) 74 (High) 0 (Low) 0 (Low) 1 (Low) 1 0
16 1 (Low) 0 (Low) 14 (Low) 2 (Low) 11 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 0 (Low) 36 (Medium) 1 (Low) 0 (Low) 2 (Low) 3 0
17 2 (Low) 0 (Low) 46 (Medium) 12 (Low) 24 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 31 (Medium) 0 (Low) 0 (Low) 85 (High) 2 (Low) 0 (Low) 2 (Low) 4 0
18 1 (Low) 1 (Low) 34 (Medium) 8 (Low) 31 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 34 (Medium) 0 (Low) 1 (Low) 106 (Very high) 7 (Low) 0 (Low) 3 (Low) 6 0
19 3 (Low) 0 (Low) 129 (High) 12 (Low) 81 (Medium) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 22 (Medium) 0 (Low) 0 (Low) 56 (High) 14 (Low) 0 (Low) 2 (Low) 4 0
20 6 (Low) 0 (Low) 127 (High) 26 (Medium) 288 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 0 (Low) 100 (Very high) 9 (Low) 0 (Low) 4 (Low) 6 3
21 9 (Low) 0 (Low) 112 (High) 18 (Low) 495 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 9 (Low) 1 (Low) 9 (Low) 106 (Very high) 5 (Low) 0 (Low) 8 (Low) 7 0
22 25 (Low) 1 (Low) 96 (High) 32 (Medium) 279 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 32 (Medium) 0 (Low) 2 (Low) 101 (Very high) 1 (Low) 0 (Low) 7 (Low) 6 0
23 13 (Low) 0 (Low) 130 (High) 29 (Medium) 383 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 11 (Low) 0 (Low) 4 (Low) 63 (High) 1 (Low) 0 (Low) 8 (Low) 7 3
24 8 (Low) 0 (Low) 126 (High) 18 (Low) 500 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 34 (Medium) 0 (Low) 2 (Low) 36 (Medium) 1 (Low) 0 (Low) 3 (Low) 4 0
25 4 (Low) 0 (Low) 138 (High) 23 (Medium) 645 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 22 (Medium) 0 (Low) 5 (Low) 52 (High) 2 (Low) 0 (Low) 5 (Low) 10 6
26 5 (Low) 1 (Low) 99 (High) 38 (Medium) 270 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 60 (High) 0 (Low) 2 (Low) 48 (Medium) 1 (Low) 0 (Low) 7 (Low) 12 0
27 — — — 31 (Medium) 160 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) — 3 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 84 (High) 0 (Low) — 152 (Very high) 3 (Low) 0 (Low) 8 (Low) 4 0
28 — — — 24 (Medium) 110 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) — 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 71 (High) 0 (Low) — 77 (High) 2 (Low) 0 (Low) 10 (Low) 11 1
29 — — — 22 (Medium) 90 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) — 5 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 140 (Very high) 0 (Low) — 79 (High) 4 (Low) 0 (Low) 3 (Low) 13 0
30 — — — 31 (Medium) 96 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) — 6 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 227 (Very high) 0 (Low) — 92 (High) 9 (Low) 0 (Low) 5 (Low) 14 3
31 — — — 24 (Medium) 89 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) — 8 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 126 (Very high) 0 (Low) — 101 (Very high) 15 (Medium) 0 (Low) 2 (Low) 11 0