diff --git a/custom_components/irm_kmi/const.py b/custom_components/irm_kmi/const.py
index 69df4f7..31c2bdc 100644
--- a/custom_components/irm_kmi/const.py
+++ b/custom_components/irm_kmi/const.py
@@ -135,3 +135,8 @@ MAP_WARNING_ID_TO_SLUG: Final = {
     17: 'coldspell'}
 
 POLLEN_NAMES: Final = {'Alder', 'Ash', 'Birch', 'Grasses', 'Hazel', 'Mugwort', 'Oak'}
+
+POLLEN_TO_ICON_MAP: Final = {
+    'alder': 'mdi:tree', 'ash': 'mdi:tree', 'birch': 'mdi:tree', 'grasses': 'mdi:grass', 'hazel': 'mdi:tree',
+    'mugwort': 'mdi:sprout', 'oak': 'mdi:tree'
+}
diff --git a/custom_components/irm_kmi/sensor.py b/custom_components/irm_kmi/sensor.py
index 66e2049..fd1e3fd 100644
--- a/custom_components/irm_kmi/sensor.py
+++ b/custom_components/irm_kmi/sensor.py
@@ -9,7 +9,7 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
 from custom_components.irm_kmi import DOMAIN, IrmKmiCoordinator
-from custom_components.irm_kmi.const import POLLEN_NAMES
+from custom_components.irm_kmi.const import POLLEN_NAMES, POLLEN_TO_ICON_MAP
 from custom_components.irm_kmi.pollen import PollenParser
 
 _LOGGER = logging.getLogger(__name__)
@@ -39,6 +39,7 @@ class IrmKmiPollen(CoordinatorEntity, SensorEntity):
         self._attr_device_info = coordinator.shared_device_info
         self._pollen = pollen
         self._attr_translation_key = f"pollen_{pollen}"
+        self._attr_icon = POLLEN_TO_ICON_MAP[pollen]
 
     @property
     def native_value(self) -> str | None: