Madrid-Ciudad Universitaria — April 1998

Main only
3,091 Oak — day 26
1,242 Oak — day 24
770 Oak — day 25
30 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 0 (Low) 145 (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) 15 (Medium) 2 (Low) 15 (Medium) 0 (Low) 0 (Low) 208 (Very high) 6 (Low) 0 (Low) 2 (Low) 255
2 14 (Low) 207 (High) 10 (Low) 6 (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) 0 (Low) 26 (Medium) 4 (Low) 0 (Low) 181 (Very high) 5 (Low) 9 (Low) 1 (Low) 160
3 2 (Low) 307 (Very high) 6 (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) 6 (Low) 1 (Low) 12 (Low) 3 (Low) 0 (Low) 108 (Very high) 7 (Low) 10 (Low) 4 (Low) 66
4 3 (Low) 173 (High) 13 (Low) 9 (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) 8 (Low) 0 (Low) 0 (Low) 222 (Very high) 7 (Low) 3 (Low) 1 (Low) 70
5 0 (Low) 312 (Very high) 3 (Low) 4 (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) 0 (Low) 16 (Medium) 0 (Low) 0 (Low) 71 (High) 1 (Low) 2 (Low) 3 (Low) 28
6 0 (Low) 121 (High) 15 (Low) 13 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 26 (Medium) 1 (Low) 0 (Low) 349 (Very high) 5 (Low) 0 (Low) 2 (Low) 25
7 7 (Low) 205 (High) 1 (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) 0 (Low) 12 (Low) 0 (Low) 0 (Low) 120 (Very high) 4 (Low) 0 (Low) 2 (Low) 11
8 4 (Low) 147 (High) 1 (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) 2 (Low) 0 (Low) 14 (Low) 1 (Low) 0 (Low) 65 (High) 1 (Low) 0 (Low) 1 (Low) 14
9 3 (Low) 102 (High) 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) 20 (Medium) 1 (Low) 0 (Low) 93 (High) 3 (Low) 0 (Low) 0 (Low) 82
10 3 (Low) 108 (High) 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) 0 (Low) 0 (Low) 25 (Medium) 0 (Low) 0 (Low) 131 (Very high) 0 (Low) 0 (Low) 3 (Low) 44
11 2 (Low) 36 (Medium) 2 (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) 0 (Low) 12 (Low) 0 (Low) 0 (Low) 46 (Medium) 0 (Low) 0 (Low) 0 (Low) 16
12 1 (Low) 26 (Low) 6 (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) 5 (Low) 1 (Low) 0 (Low) 17 (Medium) 1 (Low) 0 (Low) 0 (Low) 6
13 1 (Low) 25 (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) 10 (Low) 1 (Low) 0 (Low) 22 (Medium) 1 (Low) 0 (Low) 0 (Low) 5
14 0 (Low) 20 (Low) 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) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 16 (Medium) 1 (Low) 0 (Low) 0 (Low) 10
15 0 (Low) 19 (Low) 5 (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) 0 (Low) 0 (Low) 70 (High) 1 (Low) 0 (Low) 1 (Low) 12
16 2 (Low) 45 (Medium) 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) 3 (Low) 0 (Low) 0 (Low) 107 (Very high) 1 (Low) 0 (Low) 0 (Low) 22
17 3 (Low) 17 (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) 2 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 22 (Medium) 0 (Low) 0 (Low) 0 (Low) 10
18 3 (Low) 10 (Low) 2 (Low) 4 (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) 15 (Medium) 0 (Low) 0 (Low) 51 (High) 4 (Low) 0 (Low) 0 (Low) 71
19 1 (Low) 10 (Low) 10 (Low) 22 (Medium) 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) 2 (Low) 1 (Low) 0 (Low) 176 (Very high) 18 (Medium) 1 (Low) 0 (Low) 87
20 1 (Low) 8 (Low) 11 (Low) 24 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 249 (Very high) 9 (Low) 0 (Low) 0 (Low) 72
21 5 (Low) 8 (Low) 19 (Low) 20 (Medium) 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) 7 (Low) 1 (Low) 3 (Low) 305 (Very high) 9 (Low) 0 (Low) 1 (Low) 142
22 4 (Low) 35 (Medium) 21 (Low) 33 (Medium) 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) 11 (Low) 0 (Low) 3 (Low) 292 (Very high) 0 (Low) 0 (Low) 4 (Low) 134
23 1 (Low) 20 (Low) 5 (Low) 7 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 16 (Medium) 0 (Low) 0 (Low) 188 (Very high) 1 (Low) 0 (Low) 1 (Low) 55
24 7 (Low) 9 (Low) 9 (Low) 65 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 38 (Medium) 0 (Low) 0 (Low) 1,242 (Very high) 10 (Low) 0 (Low) 3 (Low) 90
25 5 (Low) 28 (Low) 10 (Low) 30 (Medium) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 7 (Low) 0 (Low) 13 (Low) 0 (Low) 0 (Low) 770 (Very high) 8 (Low) 0 (Low) 4 (Low) 37
26 9 (Low) 55 (Medium) 17 (Low) 70 (High) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 2 (Low) 1 (Low) 48 (Medium) 0 (Low) 0 (Low) 3,091 (Very high) 27 (Medium) 0 (Low) 2 (Low) 148
27 2 (Low) 4 (Low) 6 (Low) 4 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 17 (Medium) 0 (Low) 2 (Low) 108 (Very high) 2 (Low) 0 (Low) 0 (Low) 8
28 3 (Low) 6 (Low) 8 (Low) 23 (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) 0 (Low) 11 (Low) 0 (Low) 0 (Low) 190 (Very high) 3 (Low) 0 (Low) 2 (Low) 16
29 1 (Low) 22 (Low) 10 (Low) 18 (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) 36 (Medium) 0 (Low) 0 (Low) 390 (Very high) 8 (Low) 0 (Low) 2 (Low) 34
30 0 (Low) 15 (Low) 4 (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) 5 (Low) 0 (Low) 0 (Low) 82 (High) 4 (Low) 0 (Low) 1 (Low) 1