Madrid-Ciudad Universitaria — March 1998

Main only
4,936 London Plane — day 21
4,480 London Plane — day 20
3,320 London Plane — day 18
31 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive Birch Privet Alder Mugwort Chestnut Composites Hazel Heather Eucalyptus Ash Mulberry Elm Pine Poplar Goosefoot/Amaranth Oak Sorrel Willow Nettle Unidentified
1 121 (High) 0 (Low) 23 (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) 5 (Low) 0 (Low) 86 (High) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 11 (Low) 22
2 61 (Medium) 0 (Low) 22 (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) 2 (Low) 4 (Low) 1 (Low) 92 (High) 0 (Low) 0 (Low) 3 (Low) 10 (Low) 6 (Low) 5
3 35 (Medium) 0 (Low) 11 (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) 61 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 3
4 159 (High) 0 (Low) 19 (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) 6 (Low) 0 (Low) 114 (Very high) 0 (Low) 0 (Low) 2 (Low) 3 (Low) 5 (Low) 2
5 75 (Medium) 0 (Low) 12 (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) 3 (Low) 5 (Low) 0 (Low) 153 (Very high) 0 (Low) 2 (Low) 7 (Low) 4 (Low) 11 (Low) 13
6 28 (Low) 0 (Low) 17 (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) 3 (Low) 0 (Low) 102 (Very high) 0 (Low) 0 (Low) 1 (Low) 7 (Low) 1 (Low) 4
7 133 (High) 0 (Low) 24 (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) 24 (Medium) 3 (Low) 340 (Very high) 0 (Low) 0 (Low) 3 (Low) 5 (Low) 6 (Low) 8
8 181 (High) 0 (Low) 30 (Medium) 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) 2 (Low) 11 (Low) 256 (Very high) 0 (Low) 0 (Low) 3 (Low) 25 (Medium) 4 (Low) 26
9 83 (Medium) 0 (Low) 10 (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) 4 (Low) 4 (Low) 155 (Very high) 0 (Low) 1 (Low) 8 (Low) 12 (Low) 7 (Low) 30
10 25 (Low) 16 (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) 2 (Low) 1 (Low) 0 (Low) 71 (High) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 8 (Low) 17
11 98 (High) 5 (Low) 20 (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) 4 (Low) 56 (High) 0 (Low) 0 (Low) 4 (Low) 10 (Low) 3 (Low) 23
12 58 (Medium) 1 (Low) 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) 1 (Low) 0 (Low) 4 (Low) 35 (Medium) 0 (Low) 3 (Low) 3 (Low) 6 (Low) 2 (Low) 14
13 23 (Low) 0 (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) 1 (Low) 0 (Low) 3 (Low) 19 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 20
14 15 (Low) 7 (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) 1 (Low) 33 (Medium) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 1 (Low) 21
15 14 (Low) 77 (Medium) 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) 1 (Low) 3 (Low) 72 (High) 0 (Low) 1 (Low) 1 (Low) 3 (Low) 12 (Low) 18
16 21 (Low) 709 (Very high) 9 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 1 (Low) 11 (Low) 97 (High) 0 (Low) 1 (Low) 2 (Low) 4 (Low) 10 (Low) 46
17 19 (Low) 517 (Very high) 25 (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) 3 (Low) 0 (Low) 11 (Low) 6 (Low) 1 (Low) 1 (Low) 2 (Low) 1 (Low) 3 (Low) 95
18 11 (Low) 3,320 (Very 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) 14 (Low) 0 (Low) 75 (High) 40 (Medium) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 16 (Medium) 151
19 19 (Low) 2,803 (Very high) 45 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 14 (Low) 0 (Low) 167 (Very high) 10 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 17 (Medium) 60
20 59 (Medium) 4,480 (Very high) 6 (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) 43 (Medium) 0 (Low) 111 (Very high) 44 (Medium) 0 (Low) 0 (Low) 2 (Low) 336 (Very high) 12 (Low) 35
21 20 (Low) 4,936 (Very high) 47 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 31 (Medium) 1 (Low) 69 (High) 23 (Medium) 0 (Low) 0 (Low) 2 (Low) 445 (Very high) 8 (Low) 40
22 23 (Low) 2,058 (Very high) 6 (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) 33 (Medium) 0 (Low) 240 (Very high) 43 (Medium) 0 (Low) 6 (Low) 3 (Low) 177 (Very high) 11 (Low) 34
23 4 (Low) 1,580 (Very high) 35 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 16 (Medium) 0 (Low) 71 (High) 7 (Low) 0 (Low) 0 (Low) 2 (Low) 70 (High) 3 (Low) 69
24 6 (Low) 920 (Very 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) 9 (Low) 0 (Low) 28 (Medium) 10 (Low) 0 (Low) 1 (Low) 0 (Low) 25 (Medium) 3 (Low) 7
25 10 (Low) 857 (Very high) 11 (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) 28 (Medium) 0 (Low) 12 (Low) 17 (Medium) 0 (Low) 2 (Low) 2 (Low) 2 (Low) 8 (Low) 26
26 7 (Low) 586 (Very high) 20 (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) 3 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 10 (Low) 6 (Low) 26
27 5 (Low) 690 (Very high) 11 (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) 23 (Medium) 0 (Low) 3 (Low) 6 (Low) 0 (Low) 1 (Low) 0 (Low) 3 (Low) 10 (Low) 24
28 9 (Low) 1,642 (Very 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) 47 (Medium) 0 (Low) 47 (Medium) 10 (Low) 0 (Low) 10 (Low) 3 (Low) 2 (Low) 12 (Low) 47
29 4 (Low) 231 (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) 11 (Low) 0 (Low) 27 (Medium) 3 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 3 (Low) 7
30 3 (Low) 325 (Very high) 6 (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) 5 (Low) 1 (Low) 14 (Low) 0 (Low) 0 (Low) 122 (Very high) 4 (Low) 0 (Low) 0 (Low) 54
31 0 (Low) 170 (High) 4 (Low) 14 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 14 (Low) 2 (Low) 0 (Low) 141 (Very high) 8 (Low) 0 (Low) 0 (Low) 85