Alcalá de Henares — May 2025

Main only
669 Oak — day 29
598 Oak — day 18
578 Oak — day 26
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 0 (Low) 9 (Low) 11 (Low) 4 (Low) 25 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 26 (Medium) 0 (Low) 5 (Low) 0 (Low) 2 (Low) 33 (Medium) 1 (Low) 0 (Low) 108 (Very high) 8 2
2 0 (Low) 8 (Low) 4 (Low) 9 (Low) 46 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 14 (Low) 0 (Low) 10 (Low) 0 (Low) 0 (Low) 62 (High) 1 (Low) 0 (Low) 151 (Very high) 14 7
3 1 (Low) 18 (Low) 8 (Low) 9 (Low) 56 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 63 (High) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 130 (Very high) 15 (Medium) 0 (Low) 100 (Very high) 15 4
4 0 (Low) 5 (Low) 5 (Low) 16 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 15 (Medium) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 43 (Medium) 9 (Low) 0 (Low) 81 (High) 11 5
5 1 (Low) 4 (Low) 1 (Low) 7 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 26 (Medium) 0 (Low) 0 (Low) 17 (Medium) 1 (Low) 0 (Low) 117 (Very high) 5 2
6 5 (Low) 7 (Low) 5 (Low) 25 (Medium) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 14 (Low) 0 (Low) 36 (Medium) 0 (Low) 0 (Low) 160 (Very high) 3 (Low) 0 (Low) 148 (Very high) 11 2
7 2 (Low) 11 (Low) 16 (Low) 15 (Low) 12 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 10 (Low) 0 (Low) 18 (Medium) 0 (Low) 0 (Low) 81 (High) 4 (Low) 0 (Low) 120 (Very high) 8 9
8 0 (Low) 5 (Low) 27 (Low) 12 (Low) 36 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 15 (Medium) 0 (Low) 19 (Medium) 0 (Low) 1 (Low) 188 (Very high) 5 (Low) 0 (Low) 71 (High) 16 7
9 1 (Low) 5 (Low) 46 (Medium) 25 (Medium) 64 (Medium) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 12 (Low) 0 (Low) 59 (High) 0 (Low) 1 (Low) 58 (High) 12 (Low) 0 (Low) 93 (High) 23 9
10 2 (Low) 7 (Low) 56 (Medium) 26 (Medium) 34 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 155 (Very high) 0 (Low) 1 (Low) 124 (Very high) 9 (Low) 0 (Low) 56 (High) 19 11
11 2 (Low) 6 (Low) 19 (Low) 21 (Medium) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 25 (Medium) 0 (Low) 112 (Very high) 0 (Low) 1 (Low) 235 (Very high) 16 (Medium) 0 (Low) 78 (High) 14 10
12 2 (Low) 4 (Low) 49 (Medium) 23 (Medium) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 35 (Medium) 0 (Low) 0 (Low) 66 (High) 17 (Medium) 0 (Low) 95 (High) 13 5
13 0 (Low) 4 (Low) 71 (Medium) 18 (Low) 8 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 26 (Medium) 0 (Low) 1 (Low) 116 (Very high) 13 (Low) 0 (Low) 97 (High) 14 5
14 1 (Low) 7 (Low) 24 (Low) 13 (Low) 12 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 93 (High) 0 (Low) 2 (Low) 145 (Very high) 5 (Low) 0 (Low) 119 (Very high) 10 10
15 2 (Low) 2 (Low) 5 (Low) 10 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 33 (Medium) 0 (Low) 0 (Low) 49 (Medium) 1 (Low) 0 (Low) 42 (Medium) 5 4
16 9 (Low) 0 (Low) 71 (Medium) 31 (Medium) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 48 (Medium) 0 (Low) 0 (Low) 166 (Very high) 14 (Low) 0 (Low) 167 (Very high) 13 11
17 18 (Low) 2 (Low) 49 (Medium) 13 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 53 (High) 0 (Low) 1 (Low) 131 (Very high) 6 (Low) 1 (Low) 101 (Very high) 27 11
18 4 (Low) 1 (Low) 347 (Very high) 49 (Medium) 375 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 11 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 25 (Medium) 0 (Low) 8 (Low) 598 (Very high) 26 (Medium) 0 (Low) 145 (Very high) 45 22
19 5 (Low) 5 (Low) 216 (Very high) 44 (Medium) 89 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 49 (Medium) 0 (Low) 1 (Low) 358 (Very high) 43 (Medium) 0 (Low) 46 (Medium) 47 22
20 5 (Low) 2 (Low) 78 (Medium) 40 (Medium) 5 (Low) 1 (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) 24 (Medium) 0 (Low) 1 (Low) 143 (Very high) 15 (Medium) 0 (Low) 109 (Very high) 20 8
21 15 (Low) 3 (Low) 84 (High) 36 (Medium) 6 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 27 (Medium) 0 (Low) 0 (Low) 247 (Very high) 33 (Medium) 0 (Low) 39 (Medium) 26 13
22 86 (Medium) 17 (Low) 89 (High) 24 (Medium) 16 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 77 (High) 0 (Low) 0 (Low) 431 (Very high) 23 (Medium) 0 (Low) 247 (Very high) 31 24
23 12 (Low) 13 (Low) 52 (Medium) 12 (Low) 8 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 39 (Medium) 0 (Low) 0 (Low) 219 (Very high) 4 (Low) 0 (Low) 326 (Very high) 11 11
24 77 (Medium) 2 (Low) 147 (High) 126 (Very high) 21 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 47 (Medium) 0 (Low) 2 (Low) 407 (Very high) 36 (Medium) 0 (Low) 245 (Very high) 10 24
25 23 (Low) 1 (Low) 192 (Very high) 43 (Medium) 63 (Medium) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 39 (Medium) 0 (Low) 6 (Low) 244 (Very high) 27 (Medium) 0 (Low) 267 (Very high) 21 13
26 19 (Low) 2 (Low) 274 (Very high) 55 (High) 182 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 92 (High) 0 (Low) 5 (Low) 578 (Very high) 42 (Medium) 0 (Low) 309 (Very high) 21 22
27 20 (Low) 2 (Low) 232 (Very high) 47 (Medium) 168 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 56 (High) 0 (Low) 6 (Low) 426 (Very high) 35 (Medium) 0 (Low) 308 (Very high) 12 18
28 16 (Low) 2 (Low) 346 (Very high) 48 (Medium) 219 (High) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 3 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 86 (High) 0 (Low) 5 (Low) 512 (Very high) 40 (Medium) 2 (Low) 323 (Very high) 27 5
29 25 (Low) 3 (Low) 328 (Very high) 58 (High) 280 (High) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 66 (High) 0 (Low) 6 (Low) 669 (Very high) 25 (Medium) 0 (Low) 301 (Very high) 23 32
30 27 (Low) 4 (Low) 424 (Very high) 54 (High) 362 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 8 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 114 (Very high) 0 (Low) 6 (Low) 577 (Very high) 25 (Medium) 2 (Low) 263 (Very high) 17 33
31 13 (Low) 2 (Low) 294 (Very high) 40 (Medium) 302 (High) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 8 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 220 (Very high) 0 (Low) 4 (Low) 462 (Very high) 15 (Medium) 0 (Low) 215 (Very high) 25 23