Alcalá de Henares — July 2025

Main only
68 Nettle — day 29
56 Nettle — day 28
37 Nettle — 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 1 (Low) 0 (Low) 9 (Low) 1 (Low) 3 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 2 (Low) 1 (Low) 1 (Low) 0 (Low) 3 (Low) 3 4
2 3 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 2 4
3 1 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 3 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 1 2
4 1 (Low) 0 (Low) 4 (Low) 0 (Low) 2 (Low) 0 (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) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 4 5
5 1 (Low) 0 (Low) 4 (Low) 2 (Low) 2 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 1 5
6 2 (Low) 0 (Low) 9 (Low) 1 (Low) 1 (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) 0 (Low) 2 (Low) 0 (Low) 5 (Low) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 5 6
7 2 (Low) 0 (Low) 15 (Low) 1 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 3 8
8 2 (Low) 0 (Low) 7 (Low) 1 (Low) 1 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 4 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 3 5
9 2 (Low) 0 (Low) 11 (Low) 1 (Low) 3 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 3 (Low) 1 (Low) 0 (Low) 0 (Low) 3 (Low) 1 7
10 0 (Low) 1 (Low) 11 (Low) 0 (Low) 1 (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) 0 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 2 5
11 1 (Low) 0 (Low) 12 (Low) 1 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 7 (Low) 0 4
12 0 (Low) 0 (Low) 13 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 0 (Low) 15 (Medium) 3 4
13 0 (Low) 0 (Low) 5 (Low) 1 (Low) 3 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 5 (Low) 0 (Low) 1 (Low) 0 (Low) 11 (Low) 1 2
14 1 (Low) 0 (Low) 3 (Low) 1 (Low) 1 (Low) 0 (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) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 10 (Low) 3 3
15 0 (Low) 0 (Low) 6 (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) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 12 (Low) 2 7
16 0 (Low) 0 (Low) 2 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 0 (Low) 22 (Medium) 4 4
17 2 (Low) 0 (Low) 8 (Low) 1 (Low) 2 (Low) 0 (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) 2 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 11 (Low) 1 5
18 2 (Low) 0 (Low) 12 (Low) 1 (Low) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 3 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 9 (Low) 1 (Low) 1 (Low) 0 (Low) 11 (Low) 3 6
19 1 (Low) 0 (Low) 10 (Low) 1 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 3 (Low) 1 (Low) 1 (Low) 0 (Low) 19 (Medium) 3 5
20 2 (Low) 0 (Low) 13 (Low) 1 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 6 (Low) 0 (Low) 1 (Low) 0 (Low) 16 (Medium) 4 8
21 0 (Low) 0 (Low) 10 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 13 (Low) 1 4
22 0 (Low) 0 (Low) 7 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (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) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 12 (Low) 3 4
23 1 (Low) 4 (Low) 7 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 11 (Low) 0 (Low) 0 (Low) 0 (Low) 8 (Low) 0 4
24 1 (Low) 1 (Low) 5 (Low) 4 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 11 (Low) 8 3
25 1 (Low) 0 (Low) 3 (Low) 1 (Low) 0 (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) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 23 (Medium) 1 1
26 1 (Low) 0 (Low) 4 (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) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 37 (Medium) 1 3
27 0 (Low) 0 (Low) 4 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 29 (Medium) 2 3
28 1 (Low) 0 (Low) 3 (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) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 56 (High) 5 7
29 1 (Low) 1 (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) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 68 (High) 2 2
30 0 (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) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 30 (Medium) 1 1
31 0 (Low) 0 (Low) 2 (Low) 1 (Low) 0 (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) 0 (Low) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 0 (Low) 29 (Medium) 2 1