Madrid-Barrio Salamanca — April 2004

509 London Plane — day 6

412 London Plane — day 10

347 London Plane — day 9

30 Days measured

Daily pollen level evolution
Day	Cypress/Yew	London Plane	Grasses	Plantain	Olive	Birch	Alder	Chestnut	Composites	Hazel	Heather	Eucalyptus	Ash	Mulberry	Elm	Pine	Poplar	Goosefoot/Amaranth	Oak	Sorrel	Willow	Nettle	Unidentified
1	0 (Low)	23 (Low)	1 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	2 (Low)	2 (Low)	0 (Low)	0 (Low)	2 (Low)	0 (Low)	1 (Low)	0 (Low)	1
2	0 (Low)	43 (Medium)	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)	3 (Low)	0 (Low)	9 (Low)	1 (Low)	4 (Low)	0 (Low)	2
3	0 (Low)	80 (Medium)	3 (Low)	2 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	3 (Low)	1 (Low)	3 (Low)	0 (Low)	3 (Low)	1 (Low)	1 (Low)	0 (Low)	4
4	1 (Low)	199 (High)	3 (Low)	2 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	6 (Low)	3 (Low)	10 (Low)	0 (Low)	7 (Low)	0 (Low)	5 (Low)	0 (Low)	3
5	2 (Low)	319 (Very high)	2 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	1 (Low)	0 (Low)	4 (Low)	13 (Low)	0 (Low)	10 (Low)	2 (Low)	2 (Low)	6 (Low)	7
6	3 (Low)	509 (Very high)	3 (Low)	5 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	1 (Low)	2 (Low)	14 (Low)	0 (Low)	10 (Low)	0 (Low)	3 (Low)	2 (Low)	5
7	1 (Low)	81 (Medium)	1 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	2 (Low)	0 (Low)	2 (Low)	0 (Low)	1 (Low)	1 (Low)	3
8	0 (Low)	168 (High)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	3 (Low)	4 (Low)	0 (Low)	4 (Low)	0 (Low)	1 (Low)	1 (Low)	4
9	1 (Low)	347 (Very high)	2 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	2 (Low)	0 (Low)	4 (Low)	10 (Low)	0 (Low)	11 (Low)	1 (Low)	2 (Low)	2 (Low)	4
10	0 (Low)	412 (Very high)	2 (Low)	1 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	7 (Low)	20 (Medium)	0 (Low)	4 (Low)	1 (Low)	3 (Low)	1 (Low)	2
11	0 (Low)	14 (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)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1
12	1 (Low)	32 (Medium)	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)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	2 (Low)	1 (Low)	2
13	1 (Low)	49 (Medium)	1 (Low)	1 (Low)	0 (Low)	2 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	4 (Low)	0 (Low)	0 (Low)	6 (Low)	0 (Low)	0 (Low)	0 (Low)	4 (Low)	0 (Low)	4
14	0 (Low)	45 (Medium)	1 (Low)	1 (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)	1 (Low)	0 (Low)	2 (Low)	0 (Low)	3 (Low)	0 (Low)	2
15	1 (Low)	93 (Medium)	1 (Low)	1 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	2 (Low)	1 (Low)	3 (Low)	2 (Low)	0 (Low)	2 (Low)	0 (Low)	4 (Low)	1 (Low)	2
16	3 (Low)	160 (High)	5 (Low)	9 (Low)	0 (Low)	0 (Low)	1 (Low)	1 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	17 (Medium)	0 (Low)	4 (Low)	5 (Low)	0 (Low)	69 (High)	6 (Low)	1 (Low)	2 (Low)	4
17	1 (Low)	76 (Medium)	6 (Low)	3 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	14 (Low)	1 (Low)	3 (Low)	1 (Low)	0 (Low)	60 (High)	4 (Low)	2 (Low)	1 (Low)	4
18	1 (Low)	163 (High)	2 (Low)	3 (Low)	0 (Low)	1 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	1 (Low)	0 (Low)	10 (Low)	0 (Low)	8 (Low)	2 (Low)	0 (Low)	21 (Medium)	2 (Low)	2 (Low)	2 (Low)	9
19	1 (Low)	45 (Medium)	2 (Low)	1 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	6 (Low)	1 (Low)	0 (Low)	10 (Low)	1 (Low)	1 (Low)	0 (Low)	2
20	1 (Low)	12 (Low)	6 (Low)	7 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	5 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	14 (Low)	8 (Low)	0 (Low)	0 (Low)	2
21	1 (Low)	8 (Low)	4 (Low)	4 (Low)	1 (Low)	0 (Low)	0 (Low)	2 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	35 (Medium)	0 (Low)	2 (Low)	1 (Low)	0 (Low)	31 (Medium)	5 (Low)	0 (Low)	2 (Low)	4
22	1 (Low)	15 (Low)	2 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	3 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	2 (Low)	0 (Low)	4 (Low)	1 (Low)	3
23	1 (Low)	15 (Low)	0 (Low)	1 (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)	6 (Low)	0 (Low)	3 (Low)	0 (Low)	10 (Low)	1 (Low)	2
24	0 (Low)	34 (Medium)	2 (Low)	8 (Low)	0 (Low)	2 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	7 (Low)	0 (Low)	2 (Low)	2 (Low)	0 (Low)	7 (Low)	1 (Low)	3 (Low)	2 (Low)	2
25	1 (Low)	41 (Medium)	10 (Low)	15 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	16 (Medium)	1 (Low)	6 (Low)	1 (Low)	0 (Low)	62 (High)	4 (Low)	2 (Low)	4 (Low)	8
26	2 (Low)	24 (Low)	10 (Low)	18 (Low)	1 (Low)	0 (Low)	0 (Low)	1 (Low)	2 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	24 (Medium)	1 (Low)	6 (Low)	1 (Low)	1 (Low)	78 (High)	4 (Low)	1 (Low)	10 (Low)	12
27	1 (Low)	30 (Medium)	12 (Low)	12 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	13 (Low)	0 (Low)	8 (Low)	2 (Low)	1 (Low)	59 (High)	3 (Low)	1 (Low)	7 (Low)	6
28	1 (Low)	5 (Low)	8 (Low)	7 (Low)	2 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	4 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	23 (Medium)	1 (Low)	0 (Low)	4 (Low)	2
29	1 (Low)	26 (Low)	2 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	2 (Low)	0 (Low)	7 (Low)	0 (Low)	0 (Low)	14 (Low)	1 (Low)	0 (Low)	0 (Low)	7
30	0 (Low)	2 (Low)	1 (Low)	2 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	0 (Low)	6 (Low)	2 (Low)	0 (Low)	0 (Low)	1