Alcalá de Henares — April 1998

Main only
208 Oak — day 25
155 Oak — day 26
150 Oak — day 2
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) 49 (Medium) 4 (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) 35 (Medium) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 77 (High) 2 (Low) 1 (Low) 9 (Low) 19
2 5 (Low) 62 (Medium) 12 (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) 36 (Medium) 0 (Low) 32 (Medium) 1 (Low) 0 (Low) 150 (Very high) 8 (Low) 2 (Low) 8 (Low) 36
3 3 (Low) 41 (Medium) 9 (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) 46 (Medium) 1 (Low) 24 (Medium) 0 (Low) 0 (Low) 97 (High) 3 (Low) 0 (Low) 15 (Medium) 35
4 2 (Low) 35 (Medium) 6 (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) 20 (Medium) 1 (Low) 17 (Medium) 0 (Low) 0 (Low) 114 (Very high) 4 (Low) 1 (Low) 7 (Low) 24
5 0 (Low) 25 (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) 0 (Low) 9 (Low) 1 (Low) 5 (Low) 0 (Low) 0 (Low) 56 (High) 2 (Low) 1 (Low) 6 (Low) 14
6 1 (Low) 17 (Low) 5 (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) 9 (Low) 0 (Low) 9 (Low) 0 (Low) 0 (Low) 57 (High) 4 (Low) 0 (Low) 3 (Low) 12
7 0 (Low) 38 (Medium) 2 (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) 9 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 36 (Medium) 2 (Low) 1 (Low) 6 (Low) 10
8 0 (Low) 23 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 25 (Medium) 1 (Low) 0 (Low) 4 (Low) 7
9 8 (Low) 29 (Low) 2 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 19 (Medium) 0 (Low) 12 (Low) 0 (Low) 0 (Low) 57 (High) 2 (Low) 1 (Low) 4 (Low) 15
10 2 (Low) 18 (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) 6 (Low) 0 (Low) 14 (Low) 0 (Low) 0 (Low) 47 (Medium) 0 (Low) 2 (Low) 1 (Low) 10
11 1 (Low) 9 (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) 2 (Low) 0 (Low) 3 (Low) 1 (Low) 0 (Low) 13 (Low) 0 (Low) 1 (Low) 1 (Low) 1
12 0 (Low) 9 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 10 (Low) 0 (Low) 0 (Low) 2 (Low) 4
13 1 (Low) 2 (Low) 1 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 6 (Low) 1 (Low) 1 (Low) 0 (Low) 5
14 0 (Low) 0 (Low) 5 (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) 1 (Low) 0 (Low) 0 (Low) 12 (Low) 0 (Low) 0 (Low) 1 (Low) 3
15 0 (Low) 2 (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) 2 (Low) 0 (Low) 0 (Low) 12 (Low) 0 (Low) 0 (Low) 0 (Low) 3
16 2 (Low) 4 (Low) 2 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 19 (Medium) 0 (Low) 1 (Low) 1 (Low) 6
17 0 (Low) 2 (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) 1 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 12 (Low) 0 (Low) 0 (Low) 0 (Low) 3
18 0 (Low) 1 (Low) 4 (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) 2 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 29 (Medium) 0 (Low) 0 (Low) 0 (Low) 5
19 0 (Low) 1 (Low) 4 (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) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 35 (Medium) 4 (Low) 0 (Low) 2 (Low) 5
20 1 (Low) 1 (Low) 4 (Low) 9 (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) 2 (Low) 0 (Low) 0 (Low) 40 (Medium) 1 (Low) 0 (Low) 0 (Low) 10
21 0 (Low) 2 (Low) 6 (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) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 28 (Medium) 1 (Low) 0 (Low) 5 (Low) 6
22 0 (Low) 1 (Low) 2 (Low) 8 (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) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 0 (Low) 0 (Low) 6
23 0 (Low) 8 (Low) 1 (Low) 19 (Low) 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) 4 (Low) 0 (Low) 0 (Low) 23 (Medium) 1 (Low) 2 (Low) 3 (Low) 11
24 1 (Low) 2 (Low) 2 (Low) 41 (Medium) 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) 1 (Low) 0 (Low) 0 (Low) 40 (Medium) 1 (Low) 1 (Low) 6 (Low) 11
25 1 (Low) 2 (Low) 23 (Low) 25 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 8 (Low) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 208 (Very high) 1 (Low) 0 (Low) 8 (Low) 27
26 0 (Low) 0 (Low) 5 (Low) 20 (Medium) 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) 0 (Low) 0 (Low) 0 (Low) 155 (Very high) 7 (Low) 0 (Low) 3 (Low) 12
27 0 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 10 (Low) 0 (Low) 0 (Low) 60 (High) 1 (Low) 0 (Low) 2 (Low) 10
28 0 (Low) 0 (Low) 6 (Low) 8 (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) 0 (Low) 0 (Low) 21 (Medium) 4 (Low) 0 (Low) 4 (Low) 6
29 1 (Low) 0 (Low) 1 (Low) 21 (Medium) 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) 20 (Medium) 0 (Low) 0 (Low) 98 (High) 2 (Low) 0 (Low) 1 (Low) 7
30 1 (Low) 0 (Low) 2 (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) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 55 (High) 2 (Low) 0 (Low) 2 (Low) 7