Alcalá de Henares — March 1997

Main only
2,125 London Plane — day 19
1,665 London Plane — day 18
1,244 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 85 (Medium) 0 (Low) 3 (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) 11 (Low) 0 (Low) 130 (Very high) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 6 (Low) 0
2 147 (High) 0 (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) 1 (Low) 0 (Low) 7 (Low) 0 (Low) 117 (Very high) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 6 (Low) 9
3 67 (Medium) 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) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 131 (Very high) 0 (Low) 2 (Low) 0 (Low) 1 (Low) 1 (Low) 11
4 29 (Low) 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) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 41 (Medium) 0 (Low) 1 (Low) 1 (Low) 8 (Low) 2 (Low) 2
5 20 (Low) 0 (Low) 3 (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) 1 (Low) 1 (Low) 41 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 1
6 11 (Low) 0 (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) 2 (Low) 1 (Low) 54 (High) 0 (Low) 1 (Low) 0 (Low) 10 (Low) 0 (Low) 5
7 12 (Low) 3 (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) 2 (Low) 0 (Low) 27 (Medium) 0 (Low) 1 (Low) 0 (Low) 35 (Medium) 2 (Low) 9
8 46 (Medium) 18 (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) 2 (Low) 2 (Low) 3 (Low) 18 (Medium) 77 (High) 0 (Low) 3 (Low) 1 (Low) 1 (Low) 2 (Low) 6
9 28 (Low) 29 (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) 1 (Low) 2 (Low) 4 (Low) 13 (Low) 88 (High) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 1 (Low) 16
10 13 (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) 3 (Low) 4 (Low) 5 (Low) 50 (High) 0 (Low) 3 (Low) 0 (Low) 1 (Low) 2 (Low) 13
11 11 (Low) 82 (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) 9 (Low) 4 (Low) 32 (Medium) 22 (Medium) 0 (Low) 6 (Low) 0 (Low) 2 (Low) 4 (Low) 9
12 8 (Low) 324 (Very high) 6 (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) 20 (Medium) 1 (Low) 67 (High) 68 (High) 0 (Low) 8 (Low) 0 (Low) 8 (Low) 5 (Low) 31
13 22 (Low) 500 (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) 1 (Low) 20 (Medium) 1 (Low) 53 (High) 25 (Medium) 0 (Low) 8 (Low) 0 (Low) 4 (Low) 1 (Low) 45
14 18 (Low) 528 (Very high) 6 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 35 (Medium) 1 (Low) 44 (Medium) 42 (Medium) 0 (Low) 8 (Low) 0 (Low) 3 (Low) 0 (Low) 46
15 20 (Low) 939 (Very high) 18 (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) 106 (Very high) 2 (Low) 17 (Medium) 27 (Medium) 0 (Low) 4 (Low) 1 (Low) 1 (Low) 1 (Low) 51
16 6 (Low) 951 (Very high) 19 (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) 76 (High) 0 (Low) 37 (Medium) 13 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 8 (Low) 59
17 6 (Low) 1,234 (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) 129 (Very high) 1 (Low) 74 (High) 6 (Low) 0 (Low) 4 (Low) 0 (Low) 1 (Low) 13 (Low) 68
18 6 (Low) 1,665 (Very high) 16 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 119 (Very high) 1 (Low) 126 (Very high) 16 (Medium) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 5 (Low) 75
19 16 (Low) 2,125 (Very high) 12 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 137 (Very high) 0 (Low) 89 (High) 22 (Medium) 0 (Low) 14 (Low) 0 (Low) 0 (Low) 2 (Low) 69
20 7 (Low) 666 (Very 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) 412 (Very high) 1 (Low) 199 (Very high) 1 (Low) 0 (Low) 20 (Medium) 0 (Low) 11 (Low) 7 (Low) 41
21 6 (Low) 921 (Very high) 6 (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) 129 (Very high) 0 (Low) 26 (Medium) 12 (Low) 0 (Low) 16 (Medium) 0 (Low) 2 (Low) 9 (Low) 24
22 14 (Low) 1,244 (Very high) 15 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 145 (Very high) 1 (Low) 75 (High) 18 (Medium) 0 (Low) 44 (Medium) 0 (Low) 6 (Low) 15 (Medium) 44
23 11 (Low) 352 (Very high) 7 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 78 (High) 1 (Low) 54 (High) 7 (Low) 0 (Low) 44 (Medium) 0 (Low) 3 (Low) 14 (Low) 33
24 13 (Low) 271 (High) 10 (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) 47 (Medium) 0 (Low) 20 (Medium) 6 (Low) 1 (Low) 36 (Medium) 0 (Low) 4 (Low) 8 (Low) 26
25 8 (Low) 140 (High) 11 (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) 56 (High) 1 (Low) 8 (Low) 6 (Low) 0 (Low) 26 (Medium) 0 (Low) 0 (Low) 7 (Low) 38
26 3 (Low) 50 (Medium) 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) 18 (Medium) 1 (Low) 4 (Low) 2 (Low) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 5 (Low) 11
27 9 (Low) 88 (Medium) 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) 24 (Medium) 1 (Low) 15 (Medium) 2 (Low) 0 (Low) 36 (Medium) 0 (Low) 3 (Low) 6 (Low) 31
28 16 (Low) 257 (High) 7 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 47 (Medium) 3 (Low) 42 (Medium) 2 (Low) 0 (Low) 67 (High) 0 (Low) 5 (Low) 12 (Low) 37
29 11 (Low) 90 (Medium) 6 (Low) 1 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 20 (Medium) 0 (Low) 11 (Low) 2 (Low) 0 (Low) 44 (Medium) 0 (Low) 2 (Low) 12 (Low) 20
30 10 (Low) 74 (Medium) 5 (Low) 4 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 43 (Medium) 1 (Low) 15 (Medium) 2 (Low) 0 (Low) 23 (Medium) 0 (Low) 2 (Low) 17 (Medium) 19
31 7 (Low) 90 (Medium) 6 (Low) 3 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 23 (Medium) 0 (Low) 14 (Low) 1 (Low) 1 (Low) 80 (High) 0 (Low) 0 (Low) 9 (Low) 15