| Type | Value (grains/m³) | Level |
| Cypress/Yew * | 14 | Low |
| London Plane * | 99 | Medium |
| Grasses * | 4 | Low |
| Plantain * | 1 | Low |
| Olive * | 0 | Low |
| Birch | 0 | Low |
| Privet | 0 | Low |
| Alder | 0 | Low |
| Maple | 36 | Medium |
| Mugwort | 0 | Low |
| Chestnut | 0 | Low |
| Composites | 0 | Low |
| Hazel | 1 | Low |
| Heather | 6 | Low |
| Eucalyptus | 0 | Low |
| Ash | 13 | Low |
| Mulberry | 0 | Low |
| Elm | 1 | Low |
| Pine | 10 | Low |
| Poplar | 242 | Very high |
| Goosefoot/Amaranth | 0 | Low |
| Oak | 6 | Low |
| Sorrel | 1 | Low |
| Willow | 3 | Low |
| Nettle | 13 | Low |
| Other | 5 | No data |
| Unidentified | 1 | No data |