Madrid-Ciudad Universitaria — April 2021

Main only
457 Oak — day 8
440 Oak — day 19
252 Oak — day 28
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 7 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 10 (Low) 124 (Very high) 0 (Low) 40 (Medium) 6 (Low) 114 (Very high) 2 (Low) 2 (Low) 2 (Low) 9 1
2 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 13 (Low) 0 (Low) 7 (Low) 7 (Low) 18 (Medium) 0 (Low) 3 (Low) 2 (Low) 6 0
3 4 (Low) 1 (Low) 7 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 13 (Low) 113 (Very high) 1 (Low) 26 (Medium) 6 (Low) 15 (Medium) 0 (Low) 7 (Low) 2 (Low) 5 1
4 6 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 114 (Very high) 1 (Low) 24 (Medium) 8 (Low) 23 (Medium) 0 (Low) 6 (Low) 16 (Medium) 7 0
5 7 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 7 (Low) 89 (High) 1 (Low) 18 (Medium) 10 (Low) 75 (High) 2 (Low) 3 (Low) 9 (Low) 16 4
6 6 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 74 (High) 0 (Low) 15 (Medium) 4 (Low) 40 (Medium) 1 (Low) 8 (Low) 1 (Low) 7 1
7 8 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 2 (Low) 68 (High) 0 (Low) 32 (Medium) 2 (Low) 66 (High) 0 (Low) 4 (Low) 3 (Low) 13 2
8 14 (Low) 4 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 3 (Low) 0 (Low) 3 (Low) 28 (Medium) 0 (Low) 15 (Medium) 2 (Low) 457 (Very high) 2 (Low) 2 (Low) 10 (Low) 17 1
9 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 8 (Low) 0 (Low) 2 (Low) 0 (Low) 32 (Medium) 0 (Low) 0 (Low) 2 (Low) 1 0
10 3 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 32 (Medium) 0 (Low) 3 (Low) 1 (Low) 159 (Very high) 1 (Low) 1 (Low) 4 (Low) 7 0
11 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 5 (Low) 0 (Low) 1 (Low) 1 (Low) 12 (Low) 1 (Low) 2 (Low) 2 (Low) 0 0
12 8 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 21 (Medium) 0 (Low) 1 (Low) 1 (Low) 9 (Low) 0 (Low) 1 (Low) 2 (Low) 2 0
13 2 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 23 (Medium) 2 (Low) 7 (Low) 1 (Low) 63 (High) 1 (Low) 3 (Low) 0 (Low) 4 2
14 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 29 (Medium) 0 (Low) 11 (Low) 0 (Low) 100 (Very high) 1 (Low) 1 (Low) 10 (Low) 6 2
15 9 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 8 (Low) 1 (Low) 6 (Low) 0 (Low) 49 (Medium) 0 (Low) 0 (Low) 14 (Low) 3 1
16 12 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 16 (Medium) 1 (Low) 58 (High) 0 (Low) 136 (Very high) 0 (Low) 3 (Low) 2 (Low) 5 0
17 18 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 8 (Low) 0 (Low) 12 (Low) 1 (Low) 107 (Very high) 1 (Low) 1 (Low) 4 (Low) 5 2
18 16 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 7 (Low) 0 (Low) 13 (Low) 1 (Low) 114 (Very high) 1 (Low) 2 (Low) 4 (Low) 7 2
19 28 (Medium) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 15 (Medium) 0 (Low) 17 (Medium) 0 (Low) 440 (Very high) 4 (Low) 1 (Low) 5 (Low) 10 2
20 21 (Medium) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 14 (Low) 0 (Low) 16 (Medium) 1 (Low) 192 (Very high) 2 (Low) 1 (Low) 13 (Low) 8 1
21 21 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 13 (Low) 0 (Low) 15 (Medium) 1 (Low) 228 (Very high) 4 (Low) 0 (Low) 5 (Low) 8 1
22 9 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 79 (High) 0 (Low) 0 (Low) 4 (Low) 1 1
23 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 5 (Low) 0 (Low) 44 (Medium) 0 (Low) 0 (Low) 5 (Low) 4 0
24 15 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 6 (Low) 0 (Low) 27 (Medium) 0 (Low) 0 (Low) 4 (Low) 3 2
25 1 (Low) 1 (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) 1 (Low) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 1 (Low) 0 0
26 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 10 (Low) 0 (Low) 163 (Very high) 4 (Low) 0 (Low) 2 (Low) 5 0
27 46 (Medium) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 10 (Low) 0 (Low) 145 (Very high) 1 (Low) 0 (Low) 6 (Low) 1 1
28 36 (Medium) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 12 (Low) 1 (Low) 252 (Very high) 9 (Low) 0 (Low) 7 (Low) 2 1
29 49 (Medium) 5 (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) 13 (Low) 0 (Low) 194 (Very high) 6 (Low) 0 (Low) 7 (Low) 4 1
30 35 (Medium) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 20 (Medium) 0 (Low) 228 (Very high) 5 (Low) 0 (Low) 10 (Low) 4 1