Collado Villalba — September 2025

Main only
26 Goosefoot/Amaranth — day 5
17 Goosefoot/Amaranth — day 6
14 Oak — day 29
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 0 (Low) 0 (Low) 1 (Low) 1 (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) 5 (Low) 0 (Low) 4 (Low) 7 (Low) 0 (Low) 0 (Low) 0 (Low) 1 4
2 2 (Low) 1 (Low) 1 (Low) 1 (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) 2 (Low) 0 (Low) 4 (Low) 7 (Low) 0 (Low) 0 (Low) 1 (Low) 1 2
3 0 (Low) 0 (Low) 4 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 7 (Low) 10 (Low) 1 (Low) 0 (Low) 2 (Low) 0 2
4 0 (Low) 0 (Low) 3 (Low) 2 (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) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 3 (Low) 10 (Low) 1 (Low) 0 (Low) 0 (Low) 0 2
5 0 (Low) 0 (Low) 3 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 26 (Medium) 7 (Low) 0 (Low) 1 (Low) 0 (Low) 0 4
6 0 (Low) 0 (Low) 3 (Low) 1 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 17 (Medium) 8 (Low) 1 (Low) 0 (Low) 1 (Low) 0 2
7 1 (Low) 0 (Low) 6 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 1 (Low) 4 (Low) 7 (Low) 1 (Low) 0 (Low) 0 (Low) 3 13
8 1 (Low) 0 (Low) 3 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 4 (Low) 4 (Low) 1 (Low) 0 (Low) 1 (Low) 0 11
9 0 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 8 (Low) 6 (Low) 0 (Low) 0 (Low) 1 (Low) 1 3
10 0 (Low) 0 (Low) 2 (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) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 5 (Low) 12 (Low) 1 (Low) 0 (Low) 1 (Low) 0 6
11 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 3 (Low) 5 (Low) 0 (Low) 0 (Low) 1 (Low) 0 3
12 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 7 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 5 (Low) 0 (Low) 0 (Low) 1 (Low) 0 1
13 1 (Low) 0 (Low) 5 (Low) 0 (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) 3 (Low) 0 (Low) 1 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 4
14 1 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 1 (Low) 10 (Low) 0 (Low) 0 (Low) 0 (Low) 0 4
15 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 2
16 0 (Low) 0 (Low) 3 (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) 1 (Low) 0 (Low) 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 1
17 0 (Low) 0 (Low) 1 (Low) 1 (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) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 5 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 1 3
18 1 (Low) 1 (Low) 3 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 3 (Low) 7 (Low) 0 (Low) 0 (Low) 0 (Low) 1 4
19 0 (Low) 0 (Low) 4 (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) 3 (Low) 0 (Low) 5 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 3
20 0 (Low) 0 (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) 1 (Low) 0 (Low) 4 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 5
21 1 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 7 (Low) 0 (Low) 2 (Low) 10 (Low) 0 (Low) 0 (Low) 0 (Low) 0 8
22 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 1
23 1 (Low) 0 (Low) 1 (Low) 1 (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) 5 (Low) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 0
24 2 (Low) 1 (Low) 0 (Low) 0 (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) 5 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 0
25 0 (Low) 0 (Low) 3 (Low) 0 (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) 3 (Low) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 0
26 2 (Low) 1 (Low) 2 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 5 (Low) 12 (Low) 0 (Low) 0 (Low) 1 (Low) 1 5
27 0 (Low) 1 (Low) 4 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 2 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 7 (Low) 7 (Low) 0 (Low) 0 (Low) 1 (Low) 0 6
28 1 (Low) 0 (Low) 2 (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) 0 (Low) 4 (Low) 0 (Low) 6 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 2 4
29 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 1 (Low) 14 (Low) 1 (Low) 0 (Low) 0 (Low) 1 4
30 1 (Low) 0 (Low) 2 (Low) 0 (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) 3 (Low) 0 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 2