Alcobendas — April 2026

Main only
1,033 Oak — day 21
1,015 Olive — day 30
972 London Plane — day 1
30 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 5 (Low) 972 (Very high) 4 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 86 (High) 0 (Low) 2 (Low) 20 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 8
2 11 (Low) 822 (Very high) 8 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 90 (High) 0 (Low) 2 (Low) 15 (Medium) 0 (Low) 4 (Low) 0 (Low) 2 (Low) 0 (Low) 9 5
3 5 (Low) 393 (Very high) 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 82 (High) 0 (Low) 1 (Low) 5 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 7 6
4 11 (Low) 503 (Very high) 3 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 277 (Very high) 0 (Low) 1 (Low) 8 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 3 (Low) 2 9
5 11 (Low) 474 (Very high) 8 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 320 (Very high) 0 (Low) 6 (Low) 6 (Low) 0 (Low) 1 (Low) 3 (Low) 1 (Low) 19 (Medium) 1 10
6 32 (Medium) 925 (Very high) 8 (Low) 7 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 389 (Very high) 0 (Low) 80 (High) 6 (Low) 2 (Low) 4 (Low) 0 (Low) 1 (Low) 12 (Low) 4 38
7 19 (Low) 601 (Very high) 20 (Low) 10 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 163 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 176 (Very high) 0 (Low) 24 (Medium) 0 (Low) 1 (Low) 176 (Very high) 0 (Low) 8 (Low) 7 (Low) 10 14
8 1 (Low) 212 (High) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 35 (Medium) 0 (Low) 6 (Low) 1 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 1 (Low) 0 8
9 8 (Low) 272 (High) 7 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 17 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 110 (Very high) 0 (Low) 11 (Low) 2 (Low) 0 (Low) 7 (Low) 0 (Low) 2 (Low) 7 (Low) 1 6
10 15 (Low) 322 (Very high) 9 (Low) 6 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 39 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 99 (High) 1 (Low) 15 (Medium) 3 (Low) 0 (Low) 35 (Medium) 1 (Low) 1 (Low) 1 (Low) 3 10
11 15 (Low) 306 (Very high) 7 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 38 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 72 (High) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 17 (Medium) 2 (Low) 1 (Low) 24 (Medium) 4 8
12 8 (Low) 205 (High) 1 (Low) 7 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 69 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 29 (Medium) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 30 (Medium) 3 (Low) 1 (Low) 1 (Low) 5 13
13 8 (Low) 164 (High) 4 (Low) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 11 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 1 (Low) 8 (Low) 4 (Low) 0 (Low) 30 (Medium) 0 (Low) 0 (Low) 0 (Low) 6 8
14 4 (Low) 106 (High) 8 (Low) 7 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 63 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 11 (Low) 0 (Low) 7 (Low) 1 (Low) 0 (Low) 31 (Medium) 0 (Low) 0 (Low) 0 (Low) 6 9
15 10 (Low) 74 (Medium) 8 (Low) 15 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 240 (Very high) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 44 (Medium) 0 (Low) 10 (Low) 2 (Low) 0 (Low) 291 (Very high) 3 (Low) 0 (Low) 1 (Low) 15 29
16 8 (Low) 101 (High) 12 (Low) 10 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 233 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 39 (Medium) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 347 (Very high) 6 (Low) 0 (Low) 0 (Low) 0 14
17 8 (Low) 57 (Medium) 12 (Low) 28 (Medium) 5 (Low) 2 (Low) 0 (Low) 0 (Low) 22 (Medium) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 19 (Medium) 0 (Low) 36 (Medium) 2 (Low) 0 (Low) 510 (Very high) 5 (Low) 1 (Low) 1 (Low) 3 32
18 10 (Low) 56 (Medium) 10 (Low) 32 (Medium) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 201 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 48 (Medium) 0 (Low) 19 (Medium) 0 (Low) 1 (Low) 525 (Very high) 7 (Low) 1 (Low) 5 (Low) 10 27
19 23 (Low) 62 (Medium) 9 (Low) 24 (Medium) 9 (Low) 4 (Low) 0 (Low) 0 (Low) 482 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 22 (Medium) 0 (Low) 20 (Medium) 0 (Low) 3 (Low) 461 (Very high) 2 (Low) 0 (Low) 10 (Low) 11 46
20 6 (Low) 29 (Low) 17 (Low) 27 (Medium) 24 (Low) 0 (Low) 0 (Low) 0 (Low) 182 (Very high) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 38 (Medium) 0 (Low) 49 (Medium) 2 (Low) 5 (Low) 658 (Very high) 5 (Low) 2 (Low) 1 (Low) 11 33
21 19 (Low) 59 (Medium) 28 (Low) 32 (Medium) 20 (Low) 1 (Low) 0 (Low) 0 (Low) 126 (Very high) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 30 (Medium) 1 (Low) 5 (Low) 1 (Low) 1 (Low) 1,033 (Very high) 8 (Low) 2 (Low) 7 (Low) 3 35
22 4 (Low) 17 (Low) 20 (Low) 22 (Medium) 82 (Medium) 0 (Low) 0 (Low) 0 (Low) 59 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 6 (Low) 1 (Low) 8 (Low) 1 (Low) 4 (Low) 520 (Very high) 4 (Low) 0 (Low) 0 (Low) 3 12
23 13 (Low) 34 (Medium) 10 (Low) 14 (Low) 21 (Low) 0 (Low) 0 (Low) 0 (Low) 64 (High) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 17 (Medium) 0 (Low) 5 (Low) 1 (Low) 5 (Low) 387 (Very high) 2 (Low) 0 (Low) 2 (Low) 4 21
24 24 (Low) 58 (Medium) 33 (Medium) 27 (Medium) 333 (High) 1 (Low) 0 (Low) 0 (Low) 45 (Medium) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 17 (Medium) 0 (Low) 14 (Low) 1 (Low) 5 (Low) 426 (Very high) 1 (Low) 0 (Low) 1 (Low) 3 9
25 19 (Low) 12 (Low) 7 (Low) 6 (Low) 17 (Low) 0 (Low) 0 (Low) 0 (Low) 55 (High) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 28 (Medium) 0 (Low) 0 (Low) 260 (Very high) 1 (Low) 4 (Low) 1 (Low) 1 13
26 6 (Low) 14 (Low) 6 (Low) 4 (Low) 9 (Low) 2 (Low) 4 (Low) 0 (Low) 28 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 22 (Medium) 1 (Low) 0 (Low) 182 (Very high) 0 (Low) 0 (Low) 3 (Low) 0 19
27 19 (Low) 11 (Low) 5 (Low) 7 (Low) 13 (Low) 1 (Low) 1 (Low) 0 (Low) 90 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 83 (High) 0 (Low) 1 (Low) 259 (Very high) 2 (Low) 3 (Low) 0 (Low) 1 27
28 13 (Low) 20 (Low) 21 (Low) 18 (Low) 26 (Low) 0 (Low) 0 (Low) 0 (Low) 28 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 135 (Very high) 0 (Low) 11 (Low) 429 (Very high) 1 (Low) 0 (Low) 2 (Low) 4 14
29 10 (Low) 22 (Low) 15 (Low) 8 (Low) 26 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 310 (Very high) 1 (Low) 0 (Low) 239 (Very high) 3 (Low) 0 (Low) 4 (Low) 1 26
30 3 (Low) 8 (Low) 102 (High) 24 (Medium) 1,015 (Very high) 1 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 15 (Medium) 0 (Low) 2 (Low) 141 (Very high) 5 (Low) 0 (Low) 3 (Low) 7 34