Madrid-Ciudad Universitaria — March 1998

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4,936 London Plane — day 21
4,480 London Plane — day 20
3,320 London Plane — day 18
31 Days measured
Daily pollen level evolution
Day Cypress/Yew London Plane Grasses Plantain Olive
1 121 (High) 0 (Low) 23 (Low) 0 (Low) 0 (Low)
2 61 (Medium) 0 (Low) 22 (Low) 0 (Low) 0 (Low)
3 35 (Medium) 0 (Low) 11 (Low) 0 (Low) 0 (Low)
4 159 (High) 0 (Low) 19 (Low) 0 (Low) 0 (Low)
5 75 (Medium) 0 (Low) 12 (Low) 0 (Low) 0 (Low)
6 28 (Low) 0 (Low) 17 (Low) 0 (Low) 0 (Low)
7 133 (High) 0 (Low) 24 (Low) 0 (Low) 0 (Low)
8 181 (High) 0 (Low) 30 (Medium) 0 (Low) 0 (Low)
9 83 (Medium) 0 (Low) 10 (Low) 0 (Low) 0 (Low)
10 25 (Low) 16 (Low) 2 (Low) 0 (Low) 0 (Low)
11 98 (High) 5 (Low) 20 (Low) 0 (Low) 0 (Low)
12 58 (Medium) 1 (Low) 10 (Low) 0 (Low) 0 (Low)
13 23 (Low) 0 (Low) 3 (Low) 0 (Low) 0 (Low)
14 15 (Low) 7 (Low) 3 (Low) 0 (Low) 0 (Low)
15 14 (Low) 77 (Medium) 10 (Low) 0 (Low) 0 (Low)
16 21 (Low) 709 (Very high) 9 (Low) 0 (Low) 3 (Low)
17 19 (Low) 517 (Very high) 25 (Low) 0 (Low) 0 (Low)
18 11 (Low) 3,320 (Very high) 10 (Low) 0 (Low) 0 (Low)
19 19 (Low) 2,803 (Very high) 45 (Medium) 0 (Low) 0 (Low)
20 59 (Medium) 4,480 (Very high) 6 (Low) 0 (Low) 0 (Low)
21 20 (Low) 4,936 (Very high) 47 (Medium) 0 (Low) 0 (Low)
22 23 (Low) 2,058 (Very high) 6 (Low) 0 (Low) 0 (Low)
23 4 (Low) 1,580 (Very high) 35 (Medium) 0 (Low) 0 (Low)
24 6 (Low) 920 (Very high) 1 (Low) 0 (Low) 0 (Low)
25 10 (Low) 857 (Very high) 11 (Low) 0 (Low) 0 (Low)
26 7 (Low) 586 (Very high) 20 (Low) 0 (Low) 0 (Low)
27 5 (Low) 690 (Very high) 11 (Low) 0 (Low) 0 (Low)
28 9 (Low) 1,642 (Very high) 10 (Low) 0 (Low) 0 (Low)
29 4 (Low) 231 (High) 0 (Low) 0 (Low) 0 (Low)
30 3 (Low) 325 (Very high) 6 (Low) 3 (Low) 0 (Low)
31 0 (Low) 170 (High) 4 (Low) 14 (Low) 0 (Low)