| Type | Value (grains/m³) | Level |
| Cypress/Yew * | 361 | Very high |
| London Plane * | 8 | Low |
| Grasses * | 11 | Low |
| Plantain * | 1 | Low |
| Olive * | 0 | Low |
| Birch | 0 | Low |
| Privet | 0 | Low |
| Alder | 0 | Low |
| Maple | 23 | Medium |
| Mugwort | 0 | Low |
| Chestnut | 0 | Low |
| Composites | 0 | Low |
| Hazel | 0 | Low |
| Heather | 0 | Low |
| Eucalyptus | 0 | Low |
| Ash | 16 | Medium |
| Mulberry | 0 | Low |
| Elm | 51 | High |
| Pine | 3 | Low |
| Poplar | 378 | Very high |
| Goosefoot/Amaranth | 1 | Low |
| Oak | 2 | Low |
| Sorrel | 3 | Low |
| Willow | 3 | Low |
| Nettle | 22 | Medium |
| Other | 12 | No data |
| Unidentified | 2 | No data |