Fix deCONZ Air Quality PPB device class and unit of measurement (#82726)

Fix Air Quality PPB device class and unit of measurement

homeassistant/components/deconz/sensor.py

@@ -33,6 +33,7 @@ from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     ATTR_TEMPERATURE,
     ATTR_VOLTAGE,
+    CONCENTRATION_PARTS_PER_BILLION,
     ENERGY_KILO_WATT_HOUR,
     LIGHT_LUX,
     PERCENTAGE,
@@ -121,8 +122,9 @@ ENTITY_DESCRIPTIONS: tuple[DeconzSensorDescription, ...] = (
         instance_check=AirQuality,
         name_suffix="PPB",
         old_unique_id_suffix="ppb",
-        device_class=SensorDeviceClass.AQI,
+        device_class=SensorDeviceClass.VOLATILE_ORGANIC_COMPOUNDS,
         state_class=SensorStateClass.MEASUREMENT,
+        native_unit_of_measurement=CONCENTRATION_PARTS_PER_BILLION,
     ),
     DeconzSensorDescription[Consumption](
         key="consumption",

tests/components/deconz/test_sensor.py

@@ -100,12 +100,13 @@ TEST_DATA = [
             "old_unique_id": "00:12:4b:00:14:4d:00:07-ppb",
             "state": "809",
             "entity_category": None,
-            "device_class": SensorDeviceClass.AQI,
+            "device_class": SensorDeviceClass.VOLATILE_ORGANIC_COMPOUNDS,
             "state_class": SensorStateClass.MEASUREMENT,
             "attributes": {
-                "state_class": "measurement",
-                "device_class": "aqi",
+                "device_class": "volatile_organic_compounds",
                 "friendly_name": "BOSCH Air quality sensor PPB",
+                "state_class": "measurement",
+                "unit_of_measurement": "ppb",
             },
             "websocket_event": {"state": {"airqualityppb": 1000}},
             "next_state": "1000",