diff --git a/homeassistant/components/asuswrt/sensor.py b/homeassistant/components/asuswrt/sensor.py
index 4b865bfb0e3366074cbb13376c79d7c841ebf58a..8beb5d3d9eed264b3ef0fc77be36cc3a8b7b9f83 100644
--- a/homeassistant/components/asuswrt/sensor.py
+++ b/homeassistant/components/asuswrt/sensor.py
@@ -11,7 +11,11 @@ from homeassistant.components.sensor import (
     SensorEntityDescription,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import DATA_GIGABYTES, DATA_RATE_MEGABITS_PER_SECOND
+from homeassistant.const import (
+    DATA_GIGABYTES,
+    DATA_RATE_MEGABITS_PER_SECOND,
+    ENTITY_CATEGORY_DIAGNOSTIC,
+)
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.update_coordinator import (
     CoordinatorEntity,
@@ -89,6 +93,7 @@ CONNECTION_SENSORS: tuple[AsusWrtSensorEntityDescription, ...] = (
         name="Load Avg (1m)",
         icon="mdi:cpu-32-bit",
         state_class=STATE_CLASS_MEASUREMENT,
+        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         entity_registry_enabled_default=False,
         factor=1,
         precision=1,
@@ -98,6 +103,7 @@ CONNECTION_SENSORS: tuple[AsusWrtSensorEntityDescription, ...] = (
         name="Load Avg (5m)",
         icon="mdi:cpu-32-bit",
         state_class=STATE_CLASS_MEASUREMENT,
+        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         entity_registry_enabled_default=False,
         factor=1,
         precision=1,
@@ -107,6 +113,7 @@ CONNECTION_SENSORS: tuple[AsusWrtSensorEntityDescription, ...] = (
         name="Load Avg (15m)",
         icon="mdi:cpu-32-bit",
         state_class=STATE_CLASS_MEASUREMENT,
+        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         entity_registry_enabled_default=False,
         factor=1,
         precision=1,