diff --git a/homeassistant/components/airthings_ble/sensor.py b/homeassistant/components/airthings_ble/sensor.py
index a8fdc0938f0..b707e8c2a92 100644
--- a/homeassistant/components/airthings_ble/sensor.py
+++ b/homeassistant/components/airthings_ble/sensor.py
@@ -15,13 +15,11 @@ from homeassistant.components.sensor import (
     SensorStateClass,
 )
 from homeassistant.const import (
-    CONCENTRATION_PARTS_PER_BILLION,
-    CONCENTRATION_PARTS_PER_MILLION,
     LIGHT_LUX,
-    PERCENTAGE,
     EntityCategory,
     Platform,
     UnitOfPressure,
+    UnitOfRatio,
     UnitOfSoundPressure,
     UnitOfTemperature,
 )
@@ -102,7 +100,7 @@ SENSORS_MAPPING_TEMPLATE: dict[str, AirthingsBLESensorEntityDescription] = {
     "humidity": AirthingsBLESensorEntityDescription(
         key="humidity",
         device_class=SensorDeviceClass.HUMIDITY,
-        native_unit_of_measurement=PERCENTAGE,
+        native_unit_of_measurement=UnitOfRatio.PERCENTAGE,
         state_class=SensorStateClass.MEASUREMENT,
         suggested_display_precision=1,
     ),
@@ -116,7 +114,7 @@ SENSORS_MAPPING_TEMPLATE: dict[str, AirthingsBLESensorEntityDescription] = {
     "battery": AirthingsBLESensorEntityDescription(
         key="battery",
         device_class=SensorDeviceClass.BATTERY,
-        native_unit_of_measurement=PERCENTAGE,
+        native_unit_of_measurement=UnitOfRatio.PERCENTAGE,
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
         suggested_display_precision=0,
@@ -124,21 +122,21 @@ SENSORS_MAPPING_TEMPLATE: dict[str, AirthingsBLESensorEntityDescription] = {
     "co2": AirthingsBLESensorEntityDescription(
         key="co2",
         device_class=SensorDeviceClass.CO2,
-        native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
+        native_unit_of_measurement=UnitOfRatio.PARTS_PER_MILLION,
         state_class=SensorStateClass.MEASUREMENT,
         suggested_display_precision=0,
     ),
     "voc": AirthingsBLESensorEntityDescription(
         key="voc",
         device_class=SensorDeviceClass.VOLATILE_ORGANIC_COMPOUNDS_PARTS,
-        native_unit_of_measurement=CONCENTRATION_PARTS_PER_BILLION,
+        native_unit_of_measurement=UnitOfRatio.PARTS_PER_BILLION,
         state_class=SensorStateClass.MEASUREMENT,
         suggested_display_precision=0,
     ),
     "illuminance": AirthingsBLESensorEntityDescription(
         key="illuminance",
         translation_key="illuminance",
-        native_unit_of_measurement=PERCENTAGE,
+        native_unit_of_measurement=UnitOfRatio.PERCENTAGE,
         state_class=SensorStateClass.MEASUREMENT,
         suggested_display_precision=0,
     ),