Alcalá de Henares — June 2026

Main only
85 Pine — day 2
79 Mulberry — day 1
76 Olive — day 1
30 Days measured
Daily pollen level evolution
Day Plantain Olive Birch Privet Alder Maple Mugwort Composites Hazel Heather Eucalyptus Ash Mulberry Elm Pine Poplar Oak Sorrel Willow Nettle Other Unidentified
1 33 (Medium) 76 (Medium) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 15 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 79 (High) 0 (Low) 75 (High) 0 (Low) 23 (Medium) 20 (Medium) 0 (Low) 4 (Low) 33 22
2 32 (Medium) 53 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 56 (High) 0 (Low) 85 (High) 0 (Low) 25 (Medium) 20 (Medium) 0 (Low) 2 (Low) 20 23
3 22 (Medium) 23 (Low) 1 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 34 (Medium) 0 (Low) 41 (Medium) 0 (Low) 18 (Medium) 9 (Low) 0 (Low) 0 (Low) 19 46
4 23 (Medium) 26 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 22 (Medium) 0 (Low) 33 (Medium) 1 (Low) 17 (Medium) 14 (Low) 1 (Low) 2 (Low) 18 20
5 7 (Low) 34 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 37 (Medium) 0 (Low) 27 (Medium) 0 (Low) 10 (Low) 0 (Low) 0 (Low) 1 (Low) 23 24
6 7 (Low) 23 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 19 (Medium) 0 (Low) 17 (Medium) 0 (Low) 2 (Low) 2 (Low) 0 (Low) 1 (Low) 7 12
7 6 (Low) 59 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 25 (Medium) 0 (Low) 15 (Medium) 0 (Low) 5 (Low) 2 (Low) 0 (Low) 1 (Low) 8 16
8 9 (Low) 41 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 13 (Low) 0 (Low) 16 (Medium) 0 (Low) 3 (Low) 2 (Low) 0 (Low) 1 (Low) 19 19
9 9 (Low) 35 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 47 (Medium) 0 (Low) 30 (Medium) 0 (Low) 5 (Low) 5 (Low) 0 (Low) 1 (Low) 33 37
10 7 (Low) 11 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 24 (Medium) 0 (Low) 8 (Low) 0 (Low) 2 (Low) 6 (Low) 0 (Low) 1 (Low) 18 21
11 5 (Low) 5 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 8 (Low) 0 (Low) 3 (Low) 2 (Low) 0 (Low) 0 (Low) 5 18
12 7 (Low) 17 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 33 (Medium) 0 (Low) 14 (Low) 0 (Low) 2 (Low) 1 (Low) 0 (Low) 1 (Low) 12 16
13 4 (Low) 13 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 16 (Medium) 0 (Low) 12 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 5 10
14 3 (Low) 23 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 52 (High) 0 (Low) 16 (Medium) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 9 11
15 1 (Low) 5 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 18 (Medium) 0 (Low) 6 (Low) 0 (Low) 2 (Low) 1 (Low) 0 (Low) 1 (Low) 2 14
16 2 (Low) 4 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 22 (Medium) 0 (Low) 5 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 4 15
17 2 (Low) 6 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 30 (Medium) 0 (Low) 5 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 4 9
18 1 (Low) 6 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 11
19 0 (Low) 4 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 23 (Medium) 0 (Low) 7 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 4 8
20 2 (Low) 9 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 46 (Medium) 0 (Low) 5 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 3 15
21 0 (Low) 11 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 36 (Medium) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 1 23
22 1 (Low) 4 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 2 11
23 1 (Low) 4 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 11
24 1 (Low) 2 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 7 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 7
25 2 (Low) 8 (Low) 0 (Low) 18 (Medium) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 7 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 5 10
26 1 (Low) 5 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 5
27 0 (Low) 1 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 5 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 3 6
28 0 (Low) 5 (Low) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 5 15
29 0 (Low) 1 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 9
30 1 (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) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 3 4