| Type | Value (grains/m³) | Level |
|---|---|---|
| Cypress/Yew * | 1 | Low |
| London Plane * | 0 | Low |
| Grasses * | 148 | High |
| Plantain * | 33 | Medium |
| Olive * | 312 | High |
| Birch | 1 | Low |
| Privet | 2 | Low |
| Alder | 0 | Low |
| Maple | 0 | Low |
| Mugwort | 0 | Low |
| Chestnut | 0 | Low |
| Composites | 2 | Low |
| Hazel | 0 | Low |
| Heather | 0 | Low |
| Eucalyptus | 0 | Low |
| Ash | 0 | Low |
| Mulberry | 0 | Low |
| Elm | 0 | Low |
| Pine | 15 | Medium |
| Poplar | 0 | Low |
| Goosefoot/Amaranth | 4 | Low |
| Oak | 74 | High |
| Sorrel | 24 | Medium |
| Willow | 0 | Low |
| Nettle | 15 | Medium |
| Other | 16 | No data |
| Unidentified | 5 | No data |