Alcalá de Henares — April 2025

Main only
3,312 Mulberry — day 9
2,808 Mulberry — day 8
2,786 Mulberry — day 2
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 10 (Low) 2,024 (Very high) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 1,679 (Very high) 1 (Low) 71 (High) 126 (Very high) 0 (Low) 4 (Low) 1 (Low) 2 (Low) 346 (Very high) 4 0
2 7 (Low) 1,858 (Very high) 4 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 18 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 6 (Low) 2,786 (Very high) 1 (Low) 49 (Medium) 54 (High) 1 (Low) 25 (Medium) 1 (Low) 2 (Low) 199 (Very high) 13 8
3 0 (Low) 94 (Medium) 0 (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) 0 (Low) 156 (Very high) 0 (Low) 1 (Low) 4 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 3 (Low) 1 0
4 6 (Low) 1,047 (Very high) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 35 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2,407 (Very high) 0 (Low) 78 (High) 13 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 23 (Medium) 3 4
5 4 (Low) 425 (Very high) 3 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1,106 (Very high) 0 (Low) 44 (Medium) 17 (Medium) 0 (Low) 22 (Medium) 1 (Low) 0 (Low) 24 (Medium) 8 4
6 4 (Low) 892 (Very high) 4 (Low) 4 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1,361 (Very high) 0 (Low) 53 (High) 24 (Medium) 0 (Low) 11 (Low) 2 (Low) 4 (Low) 55 (High) 9 1
7 4 (Low) 759 (Very high) 3 (Low) 4 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 1,593 (Very high) 0 (Low) 14 (Low) 35 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 64 (High) 8 5
8 4 (Low) 1,350 (Very high) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2,808 (Very high) 0 (Low) 114 (Very high) 33 (Medium) 1 (Low) 6 (Low) 0 (Low) 0 (Low) 99 (High) 0 6
9 1 (Low) 680 (Very high) 0 (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) 0 (Low) 3,312 (Very high) 0 (Low) 67 (High) 24 (Medium) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 131 (Very high) 2 9
10 6 (Low) 449 (Very high) 5 (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) 0 (Low) 989 (Very high) 0 (Low) 106 (Very high) 13 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 75 (High) 0 1
11 3 (Low) 96 (Medium) 4 (Low) 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 500 (Very high) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 90 (High) 10 13
12 1 (Low) 109 (High) 1 (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) 0 (Low) 1,557 (Very high) 0 (Low) 9 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 67 (High) 1 2
13 2 (Low) 314 (Very high) 15 (Low) 13 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1,119 (Very high) 0 (Low) 80 (High) 7 (Low) 0 (Low) 442 (Very high) 12 (Low) 4 (Low) 50 (High) 23 19
14 1 (Low) 140 (High) 3 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 353 (Very high) 0 (Low) 12 (Low) 3 (Low) 0 (Low) 3 (Low) 1 (Low) 1 (Low) 35 (Medium) 4 4
15 2 (Low) 27 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 47 (Medium) 0 (Low) 7 (Low) 1 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 1 2
16 8 (Low) 339 (Very high) 1 (Low) 2 (Low) 1 (Low) 1 (Low) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 701 (Very high) 0 (Low) 27 (Medium) 14 (Low) 0 (Low) 8 (Low) 0 (Low) 1 (Low) 75 (High) 5 10
17 1 (Low) 79 (Medium) 7 (Low) 9 (Low) 1 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 525 (Very high) 1 (Low) 10 (Low) 1 (Low) 0 (Low) 99 (High) 4 (Low) 0 (Low) 84 (High) 14 10
18 5 (Low) 132 (High) 6 (Low) 16 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 638 (Very high) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 98 (High) 11 (Low) 0 (Low) 85 (High) 16 15
19 3 (Low) 118 (High) 3 (Low) 10 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 191 (Very high) 1 (Low) 20 (Medium) 2 (Low) 0 (Low) 215 (Very high) 2 (Low) 1 (Low) 30 (Medium) 28 38
20 1 (Low) 23 (Low) 5 (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) 0 (Low) 174 (Very high) 0 (Low) 3 (Low) 1 (Low) 0 (Low) 27 (Medium) 1 (Low) 0 (Low) 70 (High) 9 11
21 1 (Low) 50 (Medium) 5 (Low) 8 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 325 (Very high) 0 (Low) 5 (Low) 2 (Low) 0 (Low) 56 (High) 2 (Low) 0 (Low) 92 (High) 9 4
22 1 (Low) 32 (Medium) 1 (Low) 9 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 165 (Very high) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 15 (Medium) 0 (Low) 0 (Low) 62 (High) 5 6
23 11 (Low) 50 (Medium) 4 (Low) 12 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 246 (Very high) 0 (Low) 3 (Low) 1 (Low) 1 (Low) 12 (Low) 2 (Low) 1 (Low) 148 (Very high) 6 7
24 8 (Low) 54 (Medium) 4 (Low) 8 (Low) 1 (Low) 6 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 137 (Very high) 0 (Low) 4 (Low) 1 (Low) 0 (Low) 13 (Low) 2 (Low) 1 (Low) 221 (Very high) 15 8
25 14 (Low) 87 (Medium) 2 (Low) 8 (Low) 2 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 223 (Very high) 0 (Low) 11 (Low) 1 (Low) 1 (Low) 208 (Very high) 1 (Low) 0 (Low) 99 (High) 14 5
26 20 (Low) 109 (High) 6 (Low) 11 (Low) 0 (Low) 19 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 208 (Very high) 0 (Low) 35 (Medium) 1 (Low) 0 (Low) 101 (Very high) 3 (Low) 0 (Low) 96 (High) 23 7
27 16 (Low) 57 (Medium) 1 (Low) 4 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 198 (Very high) 0 (Low) 19 (Medium) 1 (Low) 0 (Low) 54 (High) 0 (Low) 0 (Low) 99 (High) 15 16
28 9 (Low) 74 (Medium) 6 (Low) 5 (Low) 3 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 130 (Very high) 0 (Low) 17 (Medium) 1 (Low) 0 (Low) 62 (High) 2 (Low) 1 (Low) 23 (Medium) 19 11
29 9 (Low) 41 (Medium) 4 (Low) 3 (Low) 10 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 144 (Very high) 0 (Low) 18 (Medium) 0 (Low) 1 (Low) 64 (High) 2 (Low) 0 (Low) 62 (High) 12 3
30 5 (Low) 80 (Medium) 4 (Low) 5 (Low) 20 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 63 (High) 0 (Low) 11 (Low) 0 (Low) 10 (Low) 69 (High) 1 (Low) 0 (Low) 228 (Very high) 14 6