Collado Villalba — 2024

Main only

Yearly pollen level evolution
Month	Cypress/Yew	London Plane	Grasses	Plantain	Olive	Birch	Privet	Alder	Maple	Mugwort	Chestnut	Composites	Hazel	Heather	Eucalyptus	Ash	Mulberry	Elm	Pine	Poplar	Goosefoot/Amaranth	Oak	Sorrel	Willow	Nettle	Other	Unidentified
January	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
February	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
March	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
April	21 (Low)	8 (Low)	14 (Low)	65 (High)	17 (Low)	4 (Low)	0 (Low)	1 (Low)	9 (Low)	0 (Low)	0 (Low)	3 (Low)	1 (Low)	6 (Low)	0 (Low)	1 (Low)	4 (Low)	0 (Low)	113 (Very high)	0 (Low)	1 (Low)	1,027 (Very high)	15 (Medium)	2 (Low)	13 (Low)	16	4
May	8 (Low)	1 (Low)	173 (Very high)	241 (Very high)	114 (Medium)	1 (Low)	0 (Low)	1 (Low)	3 (Low)	0 (Low)	1 (Low)	14 (Low)	0 (Low)	17 (Medium)	0 (Low)	0 (Low)	1 (Low)	0 (Low)	722 (Very high)	1 (Low)	4 (Low)	1,230 (Very high)	73 (High)	4 (Low)	16 (Medium)	35	14
June	21 (Low)	1 (Low)	131 (High)	90 (High)	40 (Low)	1 (Low)	2 (Low)	0 (Low)	0 (Low)	1 (Low)	2 (Low)	15 (Medium)	0 (Low)	16 (Medium)	2 (Low)	0 (Low)	0 (Low)	0 (Low)	835 (Very high)	0 (Low)	3 (Low)	317 (Very high)	35 (Medium)	0 (Low)	12 (Low)	29	9
July	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
August	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
September	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
October	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
November	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
December	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—