| Type | Value (grains/m³) | Level |
|---|---|---|
| Cypress/Yew (Allergenic) | 23 | Low |
| London Plane (Allergenic) | 57 | Medium |
| Grasses (Allergenic) | 2 | Low |
| Plantain (Allergenic) | 0 | Low |
| Olive (Allergenic) | 0 | Low |
| Birch | 6 | Low |
| Privet | 0 | Low |
| Alder | 1 | Low |
| Maple | 68 | High |
| Mugwort | 0 | Low |
| Chestnut | 0 | Low |
| Composites | 0 | Low |
| Hazel | 5 | Low |
| Heather | 1 | Low |
| Eucalyptus | 0 | Low |
| Ash | 5 | Low |
| Mulberry | 83 | High |
| Elm | 0 | Low |
| Pine | 48 | Medium |
| Poplar | 5 | Low |
| Goosefoot/Amaranth | 0 | Low |
| Oak | 4 | Low |
| Sorrel | 1 | Low |
| Willow | 8 | Low |
| Nettle | 2 | Low |
| Other | 2 | No data |
| Unidentified | 22 | No data |
Allergenic