Alcalá de Henares — March 1999

Main only
6,652 London Plane — day 31
3,274 London Plane — day 30
643 Cypress/Yew — day 3
28 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
1 160 (High) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 9 (Low) 0 (Low) 13 (Low) 1 (Low) 10 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0
2 346 (Very high) 0 (Low) 7 (Low) 0 (Low) 0 (Low) 8 (Low) 0 (Low) 12 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 8 (Low) 0 (Low) 82 (High) 0 (Low) 60 (High) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 4 (Low) 3
3 643 (Very high) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 7 (Low) 0 (Low) 61 (High) 0 (Low) 85 (High) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 9
4 157 (High) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 23 (Medium) 0 (Low) 40 (Medium) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 1 (Low) 3
5 37 (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) 2 (Low) 0 (Low) 22 (Medium) 1 (Low) 30 (Medium) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0
6 9 (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) 2 (Low) 0 (Low) 15 (Medium) 0 (Low) 34 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 3
7 10 (Low) 0 (Low) 4 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 23 (Medium) 0 (Low) 147 (Very high) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 3 (Low) 6
8 218 (Very high) 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) 2 (Low) 0 (Low) 19 (Medium) 0 (Low) 181 (Very high) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 8 (Low) 6
9 236 (Very 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) 1 (Low) 0 (Low) 15 (Medium) 0 (Low) 250 (Very high) 0 (Low) 4 (Low) 0 (Low) 1 (Low) 11 (Low) 5
10 116 (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) 0 (Low) 0 (Low) 9 (Low) 0 (Low) 77 (High) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 7 (Low) 4
11 207 (Very 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) 1 (Low) 0 (Low) 20 (Medium) 1 (Low) 164 (Very high) 0 (Low) 0 (Low) 0 (Low) 4 (Low) 12 (Low) 13
12 36 (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) 6 (Low) 0 (Low) 27 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 1 (Low) 2
13 — — — — — — — — — — — — — — — — — — — — — — — — —
14 58 (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) 4 (Low) 0 (Low) 15 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 3 (Low) 4
15 28 (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) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 22 (Medium) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 3 (Low) 3
16 39 (Medium) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 1 (Low) 0 (Low) 18 (Medium) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 4 (Low) 1
17 106 (High) 0 (Low) 6 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 6 (Low) 0 (Low) 2 (Low) 1 (Low) 31 (Medium) 0 (Low) 3 (Low) 0 (Low) 0 (Low) 5 (Low) 8
18 51 (Medium) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 3 (Low) 0 (Low) 1 (Low) 0 (Low) 37 (Medium) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 5 (Low) 4
19 — — — — — — — — — — — — — — — — — — — — — — — — —
20 — — — — — — — — — — — — — — — — — — — — — — — — —
21 3 (Low) 4 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 1 (Low) 1 (Low) 25 (Medium) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 3 (Low) 7
22 27 (Low) 40 (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) 2 (Low) 0 (Low) 2 (Low) 1 (Low) 48 (Medium) 0 (Low) 3 (Low) 0 (Low) 2 (Low) 4 (Low) 13
23 8 (Low) 25 (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) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 82 (High) 0 (Low) 4 (Low) 0 (Low) 1 (Low) 5 (Low) 1
24 5 (Low) 60 (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) 0 (Low) 24 (Medium) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 4 (Low) 4
25 55 (Medium) 47 (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) 0 (Low) 5 (Low) 13 (Low) 20 (Medium) 0 (Low) 91 (High) 0 (Low) 5 (Low) 8 (Low) 36
26 26 (Low) 33 (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) 0 (Low) 2 (Low) 7 (Low) 6 (Low) 0 (Low) 3 (Low) 0 (Low) 1 (Low) 1 (Low) 9
27 63 (Medium) 40 (Medium) 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) 0 (Low) 12 (Low) 29 (Medium) 12 (Low) 0 (Low) 8 (Low) 0 (Low) 3 (Low) 5 (Low) 16
28 10 (Low) 211 (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) 2 (Low) 0 (Low) 4 (Low) 6 (Low) 6 (Low) 0 (Low) 2 (Low) 0 (Low) 0 (Low) 2 (Low) 9
29 5 (Low) 538 (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) 0 (Low) 0 (Low) 38 (Medium) 22 (Medium) 0 (Low) 8 (Low) 0 (Low) 0 (Low) 2 (Low) 13
30 4 (Low) 3,274 (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) 9 (Low) 1 (Low) 71 (High) 50 (High) 0 (Low) 5 (Low) 1 (Low) 2 (Low) 9 (Low) 12
31 11 (Low) 6,652 (Very high) 0 (Low) 1 (Low) 0 (Low) 1 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 0 (Low) 2 (Low) 0 (Low) 2 (Low) 18 (Medium) 1 (Low) 51 (High) 36 (Medium) 0 (Low) 1 (Low) 0 (Low) 9 (Low) 7 (Low) 14