Madrid-Arganzuela — April 2026

Main only
1,475 Olive — day 30
869 London Plane — day 2
804 London Plane — day 6
27 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 4 (Low) 772 (Very high) 4 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 28 (Medium) 0 (Low) 5 (Low) 15 (Medium) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 4 (Low) 4 0
2 17 (Low) 869 (Very high) 3 (Low) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 49 (Medium) 2 (Low) 6 (Low) 18 (Medium) 1 (Low) 1 (Low) 0 (Low) 7 (Low) 7 (Low) 9 0
3 8 (Low) 553 (Very high) 1 (Low) 2 (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) 30 (Medium) 2 (Low) 2 (Low) 13 (Low) 1 (Low) 2 (Low) 0 (Low) 1 (Low) 5 (Low) 6 0
4 7 (Low) 666 (Very high) 4 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 13 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 119 (Very high) 2 (Low) 5 (Low) 2 (Low) 1 (Low) 2 (Low) 2 (Low) 0 (Low) 37 (Medium) 6 0
5 6 (Low) 465 (Very high) 9 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 91 (High) 0 (Low) 5 (Low) 1 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 16 (Medium) 8 0
6 13 (Low) 804 (Very high) 11 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 11 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 97 (High) 0 (Low) 26 (Medium) 6 (Low) 1 (Low) 4 (Low) 0 (Low) 0 (Low) 15 (Medium) 13 0
7 11 (Low) 611 (Very high) 12 (Low) 7 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 105 (Very high) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 93 (High) 1 (Low) 20 (Medium) 2 (Low) 1 (Low) 348 (Very high) 2 (Low) 0 (Low) 44 (Medium) 14 2
8 3 (Low) 205 (High) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 10 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 26 (Medium) 0 (Low) 6 (Low) 1 (Low) 0 (Low) 13 (Low) 1 (Low) 0 (Low) 19 (Medium) 2 1
9 6 (Low) 288 (High) 2 (Low) 3 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 28 (Medium) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 219 (Very high) 0 (Low) 24 (Medium) 1 (Low) 0 (Low) 28 (Medium) 0 (Low) 1 (Low) 164 (Very high) 9 0
10 — — — — — — — — — — — — — — — — — — — — — — — — — — —
11 — — — — — — — — — — — — — — — — — — — — — — — — — — —
12 — — — — — — — — — — — — — — — — — — — — — — — — — — —
13 1 (Low) 58 (Medium) 5 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 10 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 8 (Low) 0 (Low) 7 (Low) 0 (Low) 1 (Low) 23 (Medium) 1 (Low) 0 (Low) 4 (Low) 3 0
14 1 (Low) 36 (Medium) 6 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 17 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 16 (Medium) 1 (Low) 9 (Low) 0 (Low) 0 (Low) 49 (Medium) 1 (Low) 0 (Low) 10 (Low) 7 1
15 1 (Low) 59 (Medium) 17 (Low) 25 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 63 (High) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 22 (Medium) 1 (Low) 20 (Medium) 0 (Low) 0 (Low) 503 (Very high) 13 (Low) 0 (Low) 8 (Low) 3 0
16 1 (Low) 41 (Medium) 12 (Low) 10 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 48 (Medium) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 16 (Medium) 0 (Low) 14 (Low) 0 (Low) 0 (Low) 327 (Very high) 6 (Low) 0 (Low) 14 (Low) 9 0
17 4 (Low) 41 (Medium) 21 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 26 (Medium) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 10 (Low) 0 (Low) 34 (Medium) 0 (Low) 1 (Low) 411 (Very high) 8 (Low) 0 (Low) 15 (Medium) 7 1
18 1 (Low) 30 (Medium) 6 (Low) 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 39 (Medium) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 6 (Low) 1 (Low) 13 (Low) 0 (Low) 0 (Low) 417 (Very high) 4 (Low) 0 (Low) 18 (Medium) 7 0
19 4 (Low) 43 (Medium) 8 (Low) 3 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 16 (Medium) 0 (Low) 0 (Low) 515 (Very high) 2 (Low) 0 (Low) 9 (Low) 14 0
20 2 (Low) 27 (Low) 30 (Medium) 17 (Low) 16 (Low) 0 (Low) 0 (Low) 0 (Low) 32 (Medium) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 9 (Low) 1 (Low) 22 (Medium) 1 (Low) 5 (Low) 514 (Very high) 12 (Low) 1 (Low) 16 (Medium) 12 0
21 1 (Low) 54 (Medium) 29 (Low) 13 (Low) 15 (Low) 0 (Low) 0 (Low) 0 (Low) 64 (High) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 11 (Low) 0 (Low) 9 (Low) 0 (Low) 2 (Low) 441 (Very high) 7 (Low) 0 (Low) 9 (Low) 10 0
22 1 (Low) 16 (Low) 61 (Medium) 9 (Low) 147 (Medium) 0 (Low) 0 (Low) 0 (Low) 104 (Very high) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 10 (Low) 0 (Low) 4 (Low) 544 (Very high) 6 (Low) 0 (Low) 19 (Medium) 18 1
23 32 (Medium) 19 (Low) 20 (Low) 14 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 21 (Medium) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 9 (Low) 1 (Low) 87 (High) 0 (Low) 11 (Low) 440 (Very high) 2 (Low) 0 (Low) 14 (Low) 0 0
24 5 (Low) 15 (Low) 53 (Medium) 22 (Medium) 282 (High) 0 (Low) 0 (Low) 0 (Low) 31 (Medium) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 8 (Low) 0 (Low) 53 (High) 0 (Low) 12 (Low) 458 (Very high) 4 (Low) 0 (Low) 11 (Low) 9 3
25 6 (Low) 9 (Low) 10 (Low) 10 (Low) 38 (Low) 0 (Low) 0 (Low) 0 (Low) 13 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 72 (High) 0 (Low) 1 (Low) 254 (Very high) 6 (Low) 1 (Low) 10 (Low) 0 0
26 2 (Low) 8 (Low) 21 (Low) 2 (Low) 11 (Low) 2 (Low) 0 (Low) 0 (Low) 15 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 44 (Medium) 1 (Low) 0 (Low) 420 (Very high) 3 (Low) 0 (Low) 10 (Low) 19 0
27 5 (Low) 11 (Low) 12 (Low) 8 (Low) 6 (Low) 2 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 29 (Medium) 0 (Low) 1 (Low) 462 (Very high) 3 (Low) 0 (Low) 8 (Low) 10 0
28 3 (Low) 14 (Low) 31 (Medium) 11 (Low) 27 (Low) 0 (Low) 0 (Low) 0 (Low) 13 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 83 (High) 0 (Low) 7 (Low) 605 (Very high) 2 (Low) 1 (Low) 7 (Low) 7 0
29 3 (Low) 22 (Low) 38 (Medium) 8 (Low) 26 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 76 (High) 0 (Low) 2 (Low) 293 (Very high) 5 (Low) 0 (Low) 2 (Low) 12 0
30 2 (Low) 1 (Low) 271 (Very high) 21 (Medium) 1,475 (Very high) 1 (Low) 0 (Low) 0 (Low) 12 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 27 (Medium) 1 (Low) 5 (Low) 127 (Very high) 12 (Low) 0 (Low) 7 (Low) 22 0