| Type | Value (grains/m³) | Level |
| Cypress/Yew * | 10 | Low |
| London Plane * | 63 | Medium |
| Grasses * | 9 | Low |
| Plantain * | 0 | Low |
| Olive * | 0 | Low |
| Birch | 0 | Low |
| Privet | 0 | Low |
| Alder | 0 | Low |
| Maple | 45 | Medium |
| Mugwort | 0 | Low |
| Chestnut | 0 | Low |
| Composites | 2 | Low |
| Hazel | 1 | Low |
| Heather | 0 | Low |
| Eucalyptus | 0 | Low |
| Ash | 1 | Low |
| Mulberry | 11 | Low |
| Elm | 2 | Low |
| Pine | 9 | Low |
| Poplar | 103 | Very high |
| Goosefoot/Amaranth | 0 | Low |
| Oak | 5 | Low |
| Sorrel | 0 | Low |
| Willow | 8 | Low |
| Nettle | 35 | Medium |
| Other | 10 | No data |
| Unidentified | 2 | No data |