| Type | Value (grains/m³) | Level |
| Cypress/Yew * | 0 | Low |
| London Plane * | 0 | Low |
| Grasses * | 65 | Medium |
| Plantain * | 41 | Medium |
| Olive * | 9 | Low |
| Birch | 0 | Low |
| Privet | 0 | Low |
| Alder | 0 | Low |
| Maple | 235 | Very high |
| 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 | 20 | Medium |
| Poplar | 0 | Low |
| Goosefoot/Amaranth | 3 | Low |
| Oak | 443 | Very high |
| Sorrel | 32 | Medium |
| Willow | 0 | Low |
| Nettle | 2 | Low |
| Other | 17 | No data |
| Unidentified | 1 | No data |