Madrid-Barrio Salamanca — April 2026

Main only
1,212 Oak — day 21
1,004 Olive — day 30
650 Olive — 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 3 (Low) 573 (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) 2 (Low) 102 (Very high) 1 (Low) 0 (Low) 26 (Medium) 0 (Low) 13 (Low) 0 (Low) 1 (Low) 1 (Low) 1 0
2 1 (Low) 200 (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) 1 (Low) 42 (Medium) 2 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 0
3 1 (Low) 496 (Very high) 0 (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) 33 (Medium) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 1 0
4 3 (Low) 263 (High) 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) 70 (High) 0 (Low) 2 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 6 (Low) 4 0
5 2 (Low) 552 (Very high) 2 (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) 83 (High) 1 (Low) 4 (Low) 2 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 14 (Low) 2 0
6 7 (Low) 337 (Very high) 18 (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) 2 (Low) 77 (High) 0 (Low) 25 (Medium) 16 (Medium) 1 (Low) 26 (Medium) 1 (Low) 1 (Low) 10 (Low) 9 0
7 4 (Low) 206 (High) 8 (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) 96 (High) 0 (Low) 10 (Low) 2 (Low) 4 (Low) 176 (Very high) 4 (Low) 0 (Low) 0 (Low) 0 0
8 2 (Low) 34 (Medium) 2 (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) 13 (Low) 0 (Low) 8 (Low) 0 (Low) 1 (Low) 22 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 0
9 1 (Low) 53 (Medium) 3 (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) 38 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 3 (Low) 0 0
10 2 (Low) 133 (High) 10 (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) 20 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 10 (Low) 0 (Low) 1 (Low) 8 (Low) 0 0
11 2 (Low) 132 (High) 11 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 12 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 37 (Medium) 0 (Low) 0 (Low) 7 (Low) 2 0
12 2 (Low) 90 (Medium) 1 (Low) 1 (Low) 3 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 14 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 51 (High) 0 (Low) 0 (Low) 1 (Low) 1 0
13 1 (Low) 48 (Medium) 7 (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) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 29 (Medium) 1 (Low) 0 (Low) 0 (Low) 0 0
14 3 (Low) 60 (Medium) 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) 4 (Low) 0 (Low) 2 (Low) 1 (Low) 0 (Low) 52 (High) 1 (Low) 0 (Low) 1 (Low) 0 0
15 2 (Low) 17 (Low) 8 (Low) 13 (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) 11 (Low) 0 (Low) 10 (Low) 0 (Low) 0 (Low) 191 (Very high) 4 (Low) 0 (Low) 3 (Low) 0 0
16 2 (Low) 24 (Low) 16 (Low) 16 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 26 (Medium) 0 (Low) 28 (Medium) 0 (Low) 1 (Low) 278 (Very high) 5 (Low) 0 (Low) 0 (Low) 0 0
17 2 (Low) 32 (Medium) 26 (Low) 16 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 4 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 16 (Medium) 0 (Low) 20 (Medium) 0 (Low) 0 (Low) 406 (Very high) 8 (Low) 0 (Low) 4 (Low) 0 0
18 2 (Low) 10 (Low) 12 (Low) 8 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 14 (Low) 0 (Low) 0 (Low) 226 (Very high) 4 (Low) 0 (Low) 4 (Low) 0 0
19 4 (Low) 6 (Low) 18 (Low) 16 (Low) 14 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 10 (Low) 0 (Low) 16 (Medium) 0 (Low) 0 (Low) 448 (Very high) 10 (Low) 0 (Low) 2 (Low) 0 0
20 2 (Low) 12 (Low) 38 (Medium) 32 (Medium) 32 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 10 (Low) 0 (Low) 36 (Medium) 0 (Low) 0 (Low) 608 (Very high) 20 (Medium) 0 (Low) 8 (Low) 0 0
21 4 (Low) 24 (Low) 62 (Medium) 60 (High) 64 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 12 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 40 (Medium) 0 (Low) 64 (High) 0 (Low) 0 (Low) 1,212 (Very high) 40 (Medium) 0 (Low) 16 (Medium) 0 0
22 2 (Low) 4 (Low) 0 (Low) 12 (Low) 26 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 4 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 6 (Low) 0 (Low) 2 (Low) 158 (Very high) 8 (Low) 0 (Low) 0 (Low) 0 0
23 2 (Low) 32 (Medium) 36 (Medium) 9 (Low) 14 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 23 (Medium) 0 (Low) 12 (Low) 467 (Very high) 1 (Low) 0 (Low) 4 (Low) 4 1
24 0 (Low) 8 (Low) 62 (Medium) 22 (Medium) 316 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 12 (Low) 0 (Low) 2 (Low) 222 (Very high) 8 (Low) 0 (Low) 4 (Low) 0 0
25 0 (Low) 4 (Low) 6 (Low) 4 (Low) 14 (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) 8 (Low) 0 (Low) 2 (Low) 98 (High) 0 (Low) 0 (Low) 2 (Low) 0 0
26 0 (Low) 4 (Low) 8 (Low) 6 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 10 (Low) 0 (Low) 2 (Low) 136 (Very high) 4 (Low) 0 (Low) 2 (Low) 0 0
27 5 (Low) 4 (Low) 12 (Low) 12 (Low) 33 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 31 (Medium) 0 (Low) 4 (Low) 357 (Very high) 3 (Low) 0 (Low) 3 (Low) 0 0
28 3 (Low) 5 (Low) 18 (Low) 10 (Low) 81 (Medium) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 18 (Medium) 0 (Low) 0 (Low) 284 (Very high) 3 (Low) 0 (Low) 4 (Low) 0 0
29 3 (Low) 41 (Medium) 66 (Medium) 10 (Low) 650 (Very high) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 22 (Medium) 0 (Low) 3 (Low) 208 (Very high) 2 (Low) 0 (Low) 2 (Low) 4 0
30 0 (Low) 0 (Low) 152 (Very high) 14 (Low) 1,004 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 16 (Medium) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 0 (Low) 144 (Very high) 4 (Low) 0 (Low) 0 (Low) 0 0