Alcalá de Henares — March 1998

Main only
2,356 London Plane — day 21
1,840 London Plane — day 20
1,396 London Plane — day 22
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
1 173 (High) 0 (Low) 16 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 47 (Medium) 0 (Low) 80 (High) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 18 (Medium) 8
2 50 (Medium) 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) 1 (Low) 0 (Low) 11 (Low) 0 (Low) 14 (Low) 0 (Low) 1 (Low) 3 (Low) 1 (Low) 6 (Low) 3
3 12 (Low) 0 (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) 5 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 2
4 18 (Low) 0 (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) 4 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 2
5 60 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 7 (Low) 0 (Low) 58 (High) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 7 (Low) 5
6 20 (Low) 0 (Low) 7 (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) 0 (Low) 27 (Medium) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 12 (Low) 2
7 61 (Medium) 0 (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) 1 (Low) 0 (Low) 6 (Low) 0 (Low) 44 (Medium) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 11 (Low) 8
8 116 (High) 1 (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) 1 (Low) 0 (Low) 14 (Low) 0 (Low) 33 (Medium) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 9 (Low) 14
9 23 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 26 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 2 (Low) 8
10 4 (Low) 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) 2 (Low) 1 (Low) 2 (Low) 2 (Low) 16 (Medium) 0 (Low) 4 (Low) 0 (Low) 3 (Low) 8 (Low) 6
11 20 (Low) 3 (Low) 2 (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) 2 (Low) 0 (Low) 16 (Medium) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 5 (Low) 7
12 12 (Low) 4 (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) 1 (Low) 2 (Low) 0 (Low) 13 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 1 (Low) 0
13 2 (Low) 4 (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) 1 (Low) 0 (Low) 1 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 12 (Low) 2
14 2 (Low) 13 (Low) 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) 0 (Low) 0 (Low) 15 (Medium) 5 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 1 (Low) 0
15 3 (Low) 54 (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) 0 (Low) 0 (Low) 44 (Medium) 26 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 4 (Low) 12
16 1 (Low) 66 (Medium) 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) 2 (Low) 1 (Low) 35 (Medium) 18 (Medium) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 1 (Low) 16
17 1 (Low) 109 (High) 4 (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) 2 (Low) 25 (Medium) 16 (Medium) 0 (Low) 6 (Low) 0 (Low) 1 (Low) 7 (Low) 19
18 4 (Low) 229 (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) 9 (Low) 0 (Low) 16 (Medium) 19 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 6 (Low) 32
19 11 (Low) 563 (Very high) 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) 13 (Low) 5 (Low) 17 (Medium) 19 (Medium) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 7 (Low) 65
20 12 (Low) 1,840 (Very high) 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) 32 (Medium) 7 (Low) 58 (High) 19 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 4 (Low) 60
21 12 (Low) 2,356 (Very high) 9 (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) 159 (Very high) 1 (Low) 211 (Very high) 16 (Medium) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 9 (Low) 101
22 15 (Low) 1,396 (Very high) 14 (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) 74 (High) 8 (Low) 159 (Very high) 14 (Low) 0 (Low) 30 (Medium) 2 (Low) 2 (Low) 12 (Low) 136
23 5 (Low) 682 (Very high) 5 (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) 54 (High) 0 (Low) 95 (High) 11 (Low) 0 (Low) 67 (High) 1 (Low) 4 (Low) 5 (Low) 54
24 3 (Low) 724 (Very high) 7 (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) 34 (Medium) 0 (Low) 36 (Medium) 13 (Low) 0 (Low) 7 (Low) 0 (Low) 2 (Low) 11 (Low) 27
25 2 (Low) 278 (High) 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) 64 (High) 0 (Low) 19 (Medium) 3 (Low) 0 (Low) 2 (Low) 0 (Low) 16 (Medium) 5 (Low) 38
26 0 (Low) 385 (Very high) 3 (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) 72 (High) 0 (Low) 17 (Medium) 1 (Low) 0 (Low) 7 (Low) 0 (Low) 1 (Low) 11 (Low) 31
27 2 (Low) 275 (High) 4 (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) 51 (High) 0 (Low) 39 (Medium) 3 (Low) 0 (Low) 8 (Low) 0 (Low) 1 (Low) 26 (Medium) 73
28 19 (Low) 393 (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) 60 (High) 0 (Low) 158 (Very high) 1 (Low) 0 (Low) 48 (Medium) 0 (Low) 5 (Low) 15 (Medium) 218
29 0 (Low) 76 (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) 13 (Low) 0 (Low) 27 (Medium) 0 (Low) 0 (Low) 13 (Low) 0 (Low) 1 (Low) 11 (Low) 70
30 1 (Low) 113 (High) 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) 68 (High) 1 (Low) 61 (High) 1 (Low) 0 (Low) 29 (Medium) 1 (Low) 0 (Low) 13 (Low) 35
31 2 (Low) 66 (Medium) 10 (Low) 2 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 26 (Medium) 0 (Low) 35 (Medium) 1 (Low) 0 (Low) 68 (High) 1 (Low) 0 (Low) 7 (Low) 11