| Type | Value (grains/m³) | Level |
|---|---|---|
| Cypress/Yew * | 4 | Low |
| London Plane * | 1 | Low |
| Grasses * | 33 | Medium |
| Plantain * | 42 | Medium |
| Olive * | 2 | Low |
| Birch | 0 | Low |
| Privet | 0 | Low |
| Alder | 0 | Low |
| Maple | 60 | High |
| Mugwort | 0 | Low |
| Chestnut | 0 | Low |
| Composites | 0 | Low |
| Hazel | 0 | Low |
| Heather | 0 | Low |
| Eucalyptus | 0 | Low |
| Ash | 0 | Low |
| Mulberry | 0 | Low |
| Elm | 0 | Low |
| Pine | 36 | Medium |
| Poplar | 0 | Low |
| Goosefoot/Amaranth | 0 | Low |
| Oak | 1.075 | Very high |
| Sorrel | 12 | Low |
| Willow | 0 | Low |
| Nettle | 1 | Low |
| Other | 3 | No data |
| Unidentified | 0 | No data |