Highlighted levels

All types

Type	Forecast today	Mar 22	Mar 21
Cypress/Yew	—	12 Low	— No data
London Plane	425 Very high	646 Very high	— No data
Grasses	—	6 Low	— No data
Plantain	3 Low	0 Low	0 Low
Olive	—	0 Low	0 Low
Birch	5 Low	1 Low	0 Low
Privet	—	0 Low	0 Low
Alder	—	0 Low	0 Low
Maple	1 Low	1 Low	0 Low
Mugwort	—	0 Low	0 Low
Chestnut	—	0 Low	— No data
Composites	—	0 Low	0 Low
Hazel	—	0 Low	0 Low
Heather	0 Low	0 Low	0 Low
Eucalyptus	0 Low	0 Low	0 Low
Ash	—	0 Low	0 Low
Mulberry	162 Very high	186 Very high	70 High
Elm	—	1 Low	0 Low
Pine	42 Medium	17 Medium	1 Low
Poplar	12 Low	34 Medium	7 Low
Goosefoot/Amaranth	—	1 Low	— No data
Oak	17 Medium	3 Low	0 Low
Sorrel	0 Low	0 Low	0 Low
Willow	2 Low	2 Low	0 Low
Nettle	2 Low	4 Low	1 Low
Other	—	1 No data	1 No data
Unidentified	—	17 No data	3 No data

These estimates are indicative and will be automatically updated when official data becomes available.