Alcalá de Henares — April 1999

Main only
9,886 London Plane — day 4
7,705 London Plane — day 1
4,474 London Plane — day 3
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 4 (Low) 7,705 (Very high) 0 (Low) 15 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 19 (Medium) 0 (Low) 0 (Low) 23 (Medium) 0 (Low) 271 (Very high) 49 (Medium) 0 (Low) 28 (Medium) 1 (Low) 5 (Low) 16 (Medium) 20
2 1 (Low) 3,990 (Very high) 2 (Low) 13 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 15 (Medium) 0 (Low) 45 (Medium) 6 (Low) 0 (Low) 23 (Medium) 1 (Low) 4 (Low) 8 (Low) 15
3 1 (Low) 4,474 (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) 43 (Medium) 1 (Low) 20 (Medium) 22 (Medium) 0 (Low) 4 (Low) 1 (Low) 2 (Low) 8 (Low) 18
4 2 (Low) 9,886 (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) 132 (Very high) 0 (Low) 50 (High) 47 (Medium) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 30 (Medium) 19
5 1 (Low) 3,047 (Very high) 9 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 121 (Very high) 0 (Low) 61 (High) 43 (Medium) 0 (Low) 2 (Low) 0 (Low) 9 (Low) 29 (Medium) 21
6 1 (Low) 2,685 (Very high) 3 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 390 (Very high) 0 (Low) 300 (Very high) 21 (Medium) 0 (Low) 5 (Low) 0 (Low) 4 (Low) 20 (Medium) 35
7 1 (Low) 2,269 (Very high) 8 (Low) 5 (Low) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 260 (Very high) 0 (Low) 67 (High) 27 (Medium) 0 (Low) 15 (Medium) 0 (Low) 61 (High) 22 (Medium) 75
8 5 (Low) 414 (Very high) 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 41 (Medium) 0 (Low) 17 (Medium) 13 (Low) 0 (Low) 13 (Low) 0 (Low) 3 (Low) 12 (Low) 19
9 3 (Low) 280 (High) 1 (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) 18 (Medium) 0 (Low) 12 (Low) 9 (Low) 0 (Low) 4 (Low) 0 (Low) 2 (Low) 24 (Medium) 27
10 0 (Low) 153 (High) 4 (Low) 7 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 79 (High) 0 (Low) 30 (Medium) 4 (Low) 0 (Low) 6 (Low) 0 (Low) 1 (Low) 17 (Medium) 29
11 7 (Low) 331 (Very high) 9 (Low) 5 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 84 (High) 0 (Low) 29 (Medium) 6 (Low) 0 (Low) 32 (Medium) 0 (Low) 6 (Low) 35 (Medium) 19
12 11 (Low) 174 (High) 3 (Low) 5 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 5 (Low) 67 (High) 0 (Low) 51 (High) 5 (Low) 0 (Low) 19 (Medium) 0 (Low) 0 (Low) 11 (Low) 36
13 3 (Low) 123 (High) 7 (Low) 4 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 4 (Low) 47 (Medium) 0 (Low) 11 (Low) 3 (Low) 0 (Low) 40 (Medium) 0 (Low) 6 (Low) 10 (Low) 22
14 0 (Low) 45 (Medium) 2 (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) 57 (High) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 27 (Medium) 0 (Low) 1 (Low) 8 (Low) 35
15 1 (Low) 88 (Medium) 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) 23 (Medium) 0 (Low) 9 (Low) 1 (Low) 0 (Low) 16 (Medium) 0 (Low) 2 (Low) 6 (Low) 30
16 2 (Low) 92 (Medium) 2 (Low) 6 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 87 (High) 0 (Low) 71 (High) 2 (Low) 0 (Low) 44 (Medium) 0 (Low) 1 (Low) 11 (Low) 32
17 2 (Low) 21 (Low) 2 (Low) 1 (Low) 1 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 21 (Medium) 0 (Low) 2 (Low) 16 (Medium) 1 (Low) 1 (Low) 2 (Low) 8
18 0 (Low) 17 (Low) 1 (Low) 2 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 7 (Low) 5
19 1 (Low) 47 (Medium) 5 (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) 27 (Medium) 1 (Low) 10 (Low) 0 (Low) 0 (Low) 143 (Very high) 1 (Low) 1 (Low) 8 (Low) 14
20 2 (Low) 36 (Medium) 10 (Low) 45 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 30 (Medium) 1 (Low) 26 (Medium) 0 (Low) 0 (Low) 495 (Very high) 5 (Low) 2 (Low) 23 (Medium) 28
21 2 (Low) 18 (Low) 4 (Low) 18 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 23 (Medium) 0 (Low) 11 (Low) 1 (Low) 0 (Low) 444 (Very high) 1 (Low) 0 (Low) 4 (Low) 9
22 1 (Low) 11 (Low) 6 (Low) 11 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 15 (Medium) 0 (Low) 16 (Medium) 1 (Low) 0 (Low) 293 (Very high) 2 (Low) 1 (Low) 2 (Low) 15
23 4 (Low) 15 (Low) 6 (Low) 8 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 12 (Low) 0 (Low) 17 (Medium) 0 (Low) 0 (Low) 224 (Very high) 1 (Low) 0 (Low) 4 (Low) 9
24 2 (Low) 12 (Low) 3 (Low) 6 (Low) 0 (Low) 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 4 (Low) 0 (Low) 11 (Low) 0 (Low) 0 (Low) 37 (Medium) 1 (Low) 1 (Low) 1 (Low) 6
25 6 (Low) 22 (Low) 9 (Low) 18 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 15 (Medium) 0 (Low) 15 (Medium) 0 (Low) 0 (Low) 311 (Very high) 5 (Low) 2 (Low) 6 (Low) 13
26 1 (Low) 4 (Low) 3 (Low) 5 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 15 (Medium) 0 (Low) 0 (Low) 40 (Medium) 0 (Low) 0 (Low) 2 (Low) 6
27 0 (Low) 10 (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) 3 (Low) 1 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 3 (Low) 1
28 0 (Low) 6 (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) 1 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 4 (Low) 4
29 1 (Low) 11 (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) 0 (Low) 0 (Low) 0 (Low) 5 (Low) 0 (Low) 0 (Low) 17 (Medium) 1 (Low) 0 (Low) 4 (Low) 6
30 0 (Low) 3 (Low) 1 (Low) 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) 2 (Low) 0 (Low) 1 (Low) 11 (Low) 0 (Low) 0 (Low) 1 (Low) 6