diff --git a/homeassistant/components/airnow/icons.json b/homeassistant/components/airnow/icons.json
new file mode 100644
index 00000000000..0815109b6e9
--- /dev/null
+++ b/homeassistant/components/airnow/icons.json
@@ -0,0 +1,18 @@
+{
+  "entity": {
+    "sensor": {
+      "aqi": {
+        "default": "mdi:blur"
+      },
+      "pm25": {
+        "default": "mdi:blur"
+      },
+      "o3": {
+        "default": "mdi:blur"
+      },
+      "station": {
+        "default": "mdi:blur"
+      }
+    }
+  }
+}
diff --git a/homeassistant/components/airnow/sensor.py b/homeassistant/components/airnow/sensor.py
index 9c154dc0712..bfe9e92c4a3 100644
--- a/homeassistant/components/airnow/sensor.py
+++ b/homeassistant/components/airnow/sensor.py
@@ -77,7 +77,7 @@ def station_extra_attrs(data: dict[str, Any]) -> dict[str, Any]:
 SENSOR_TYPES: tuple[AirNowEntityDescription, ...] = (
     AirNowEntityDescription(
         key=ATTR_API_AQI,
-        icon="mdi:blur",
+        translation_key="aqi",
         state_class=SensorStateClass.MEASUREMENT,
         device_class=SensorDeviceClass.AQI,
         value_fn=lambda data: data.get(ATTR_API_AQI),
@@ -94,7 +94,7 @@ SENSOR_TYPES: tuple[AirNowEntityDescription, ...] = (
     ),
     AirNowEntityDescription(
         key=ATTR_API_PM25,
-        icon="mdi:blur",
+        translation_key="pm25",
         native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
         state_class=SensorStateClass.MEASUREMENT,
         device_class=SensorDeviceClass.PM25,
@@ -104,7 +104,6 @@ SENSOR_TYPES: tuple[AirNowEntityDescription, ...] = (
     AirNowEntityDescription(
         key=ATTR_API_O3,
         translation_key="o3",
-        icon="mdi:blur",
         native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda data: data.get(ATTR_API_O3),
@@ -113,7 +112,6 @@ SENSOR_TYPES: tuple[AirNowEntityDescription, ...] = (
     AirNowEntityDescription(
         key=ATTR_API_STATION,
         translation_key="station",
-        icon="mdi:blur",
         value_fn=lambda data: data.get(ATTR_API_STATION),
         extra_state_attributes_fn=station_extra_attrs,
     ),