| Type | Value (grains/m³) | Level |
|---|---|---|
| Cypress/Yew * | 20 | Low |
| London Plane * | 0 | Low |
| Grasses * | 99 | High |
| Plantain * | 50 | High |
| Olive * | 36 | Low |
| Birch | 0 | Low |
| Privet | 0 | Low |
| Alder | 0 | Low |
| Mugwort | 0 | Low |
| Chestnut | 0 | Low |
| Composites | 3 | Low |
| Hazel | 0 | Low |
| Heather | 5 | Low |
| Eucalyptus | — | No data |
| Ash | 0 | Low |
| Mulberry | 0 | Low |
| Elm | 0 | Low |
| Pine | 41 | Medium |
| Poplar | 0 | Low |
| Goosefoot/Amaranth | 3 | Low |
| Oak | 15 | Medium |
| Sorrel | 15 | Medium |
| Willow | 0 | Low |
| Nettle | 3 | Low |
| Unidentified | 31 | No data |