diff --git a/homeassistant/components/airgradient/__init__.py b/homeassistant/components/airgradient/__init__.py
index da3edcf0453..91ee0a440a6 100644
--- a/homeassistant/components/airgradient/__init__.py
+++ b/homeassistant/components/airgradient/__init__.py
@@ -2,6 +2,8 @@
 
 from __future__ import annotations
 
+from dataclasses import dataclass
+
 from airgradient import AirGradientClient
 
 from homeassistant.config_entries import ConfigEntry
@@ -16,6 +18,17 @@ from .coordinator import AirGradientConfigCoordinator, AirGradientMeasurementCoo
 PLATFORMS: list[Platform] = [Platform.SELECT, Platform.SENSOR]
 
 
+@dataclass
+class AirGradientData:
+    """AirGradient data class."""
+
+    measurement: AirGradientMeasurementCoordinator
+    config: AirGradientConfigCoordinator
+
+
+type AirGradientConfigEntry = ConfigEntry[AirGradientData]
+
+
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up Airgradient from a config entry."""
 
@@ -39,10 +52,10 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         sw_version=measurement_coordinator.data.firmware_version,
     )
 
-    hass.data.setdefault(DOMAIN, {})[entry.entry_id] = {
-        "measurement": measurement_coordinator,
-        "config": config_coordinator,
-    }
+    entry.runtime_data = AirGradientData(
+        measurement=measurement_coordinator,
+        config=config_coordinator,
+    )
 
     await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
 
@@ -51,7 +64,4 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 
 async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
-    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
-        hass.data[DOMAIN].pop(entry.entry_id)
-
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
diff --git a/homeassistant/components/airgradient/coordinator.py b/homeassistant/components/airgradient/coordinator.py
index 90aded9a4ba..fbc1505f9c3 100644
--- a/homeassistant/components/airgradient/coordinator.py
+++ b/homeassistant/components/airgradient/coordinator.py
@@ -1,21 +1,26 @@
 """Define an object to manage fetching AirGradient data."""
 
+from __future__ import annotations
+
 from datetime import timedelta
+from typing import TYPE_CHECKING
 
 from airgradient import AirGradientClient, AirGradientError, Config, Measures
 
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
 from .const import LOGGER
 
+if TYPE_CHECKING:
+    from . import AirGradientConfigEntry
+
 
 class AirGradientCoordinator[_DataT](DataUpdateCoordinator[_DataT]):
     """Class to manage fetching AirGradient data."""
 
     _update_interval: timedelta
-    config_entry: ConfigEntry
+    config_entry: AirGradientConfigEntry
 
     def __init__(self, hass: HomeAssistant, client: AirGradientClient) -> None:
         """Initialize coordinator."""
diff --git a/homeassistant/components/airgradient/select.py b/homeassistant/components/airgradient/select.py
index 7a82d3b8a46..7880e55de19 100644
--- a/homeassistant/components/airgradient/select.py
+++ b/homeassistant/components/airgradient/select.py
@@ -7,14 +7,14 @@ from airgradient import AirGradientClient, Config
 from airgradient.models import ConfigurationControl, TemperatureUnit
 
 from homeassistant.components.select import SelectEntity, SelectEntityDescription
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import EntityCategory
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ServiceValidationError
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
+from . import AirGradientConfigEntry
 from .const import DOMAIN
-from .coordinator import AirGradientConfigCoordinator, AirGradientMeasurementCoordinator
+from .coordinator import AirGradientConfigCoordinator
 from .entity import AirGradientEntity
 
 
@@ -56,16 +56,14 @@ PROTECTED_SELECT_TYPES: tuple[AirGradientSelectEntityDescription, ...] = (
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: AirGradientConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up AirGradient select entities based on a config entry."""
 
-    config_coordinator: AirGradientConfigCoordinator = hass.data[DOMAIN][
-        entry.entry_id
-    ]["config"]
-    measurement_coordinator: AirGradientMeasurementCoordinator = hass.data[DOMAIN][
-        entry.entry_id
-    ]["measurement"]
+    config_coordinator = entry.runtime_data.config
+    measurement_coordinator = entry.runtime_data.measurement
 
     entities = [AirGradientSelect(config_coordinator, CONFIG_CONTROL_ENTITY)]
 
diff --git a/homeassistant/components/airgradient/sensor.py b/homeassistant/components/airgradient/sensor.py
index f21f13b80ab..6123d4289f9 100644
--- a/homeassistant/components/airgradient/sensor.py
+++ b/homeassistant/components/airgradient/sensor.py
@@ -11,7 +11,6 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
     SensorStateClass,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
     CONCENTRATION_PARTS_PER_MILLION,
@@ -24,7 +23,7 @@ from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import StateType
 
-from .const import DOMAIN
+from . import AirGradientConfigEntry
 from .coordinator import AirGradientMeasurementCoordinator
 from .entity import AirGradientEntity
 
@@ -127,13 +126,13 @@ SENSOR_TYPES: tuple[AirGradientSensorEntityDescription, ...] = (
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: AirGradientConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up AirGradient sensor entities based on a config entry."""
 
-    coordinator: AirGradientMeasurementCoordinator = hass.data[DOMAIN][entry.entry_id][
-        "measurement"
-    ]
+    coordinator = entry.runtime_data.measurement
     listener: Callable[[], None] | None = None
     not_setup: set[AirGradientSensorEntityDescription] = set(SENSOR_TYPES)