diff --git a/homeassistant/components/awair/const.py b/homeassistant/components/awair/const.py
index 5c2a3da89ce..6fcf63abb4d 100644
--- a/homeassistant/components/awair/const.py
+++ b/homeassistant/components/awair/const.py
@@ -86,7 +86,7 @@ SENSOR_TYPES: tuple[AwairSensorEntityDescription, ...] = (
     ),
     AwairSensorEntityDescription(
         key=API_VOC,
-        icon="mdi:cloud",
+        icon="mdi:molecule",
         native_unit_of_measurement=CONCENTRATION_PARTS_PER_BILLION,
         name="Volatile organic compounds",
         unique_id_tag="VOC",  # matches legacy format
@@ -101,7 +101,6 @@ SENSOR_TYPES: tuple[AwairSensorEntityDescription, ...] = (
     AwairSensorEntityDescription(
         key=API_CO2,
         device_class=SensorDeviceClass.CO2,
-        icon="mdi:cloud",
         native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
         name="Carbon dioxide",
         unique_id_tag="CO2",  # matches legacy format
@@ -111,14 +110,14 @@ SENSOR_TYPES: tuple[AwairSensorEntityDescription, ...] = (
 SENSOR_TYPES_DUST: tuple[AwairSensorEntityDescription, ...] = (
     AwairSensorEntityDescription(
         key=API_PM25,
-        icon="mdi:blur",
+        device_class=SensorDeviceClass.PM25,
         native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
         name="PM2.5",
         unique_id_tag="PM25",  # matches legacy format
     ),
     AwairSensorEntityDescription(
         key=API_PM10,
-        icon="mdi:blur",
+        device_class=SensorDeviceClass.PM10,
         native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
         name="PM10",
         unique_id_tag="PM10",  # matches legacy format
diff --git a/tests/components/awair/test_sensor.py b/tests/components/awair/test_sensor.py
index 5f30be81d6f..07b2f9ba00f 100644
--- a/tests/components/awair/test_sensor.py
+++ b/tests/components/awair/test_sensor.py
@@ -17,7 +17,6 @@ from homeassistant.components.awair.const import (
     SENSOR_TYPES_DUST,
 )
 from homeassistant.const import (
-    ATTR_ICON,
     ATTR_UNIT_OF_MEASUREMENT,
     CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
     CONCENTRATION_PARTS_PER_BILLION,
@@ -88,7 +87,7 @@ async def test_awair_gen1_sensors(hass):
         "sensor.living_room_awair_score",
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_SCORE].unique_id_tag}",
         "88",
-        {ATTR_ICON: "mdi:blur"},
+        {},
     )
 
     assert_expected_properties(
@@ -116,7 +115,6 @@ async def test_awair_gen1_sensors(hass):
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_CO2].unique_id_tag}",
         "654.0",
         {
-            ATTR_ICON: "mdi:cloud",
             ATTR_UNIT_OF_MEASUREMENT: CONCENTRATION_PARTS_PER_MILLION,
             "awair_index": 0.0,
         },
@@ -129,7 +127,6 @@ async def test_awair_gen1_sensors(hass):
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_VOC].unique_id_tag}",
         "366",
         {
-            ATTR_ICON: "mdi:cloud",
             ATTR_UNIT_OF_MEASUREMENT: CONCENTRATION_PARTS_PER_BILLION,
             "awair_index": 1.0,
         },
@@ -143,7 +140,6 @@ async def test_awair_gen1_sensors(hass):
         f"{AWAIR_UUID}_DUST",
         "14.3",
         {
-            ATTR_ICON: "mdi:blur",
             ATTR_UNIT_OF_MEASUREMENT: CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
             "awair_index": 1.0,
         },
@@ -156,7 +152,6 @@ async def test_awair_gen1_sensors(hass):
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_PM10].unique_id_tag}",
         "14.3",
         {
-            ATTR_ICON: "mdi:blur",
             ATTR_UNIT_OF_MEASUREMENT: CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
             "awair_index": 1.0,
         },
@@ -184,7 +179,7 @@ async def test_awair_gen2_sensors(hass):
         "sensor.living_room_awair_score",
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_SCORE].unique_id_tag}",
         "97",
-        {ATTR_ICON: "mdi:blur"},
+        {},
     )
 
     assert_expected_properties(
@@ -194,7 +189,6 @@ async def test_awair_gen2_sensors(hass):
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_PM25].unique_id_tag}",
         "2.0",
         {
-            ATTR_ICON: "mdi:blur",
             ATTR_UNIT_OF_MEASUREMENT: CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
             "awair_index": 0.0,
         },
@@ -218,7 +212,7 @@ async def test_awair_mint_sensors(hass):
         "sensor.living_room_awair_score",
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_SCORE].unique_id_tag}",
         "98",
-        {ATTR_ICON: "mdi:blur"},
+        {},
     )
 
     assert_expected_properties(
@@ -228,7 +222,6 @@ async def test_awair_mint_sensors(hass):
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_PM25].unique_id_tag}",
         "1.0",
         {
-            ATTR_ICON: "mdi:blur",
             ATTR_UNIT_OF_MEASUREMENT: CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
             "awair_index": 0.0,
         },
@@ -260,7 +253,7 @@ async def test_awair_glow_sensors(hass):
         "sensor.living_room_awair_score",
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_SCORE].unique_id_tag}",
         "93",
-        {ATTR_ICON: "mdi:blur"},
+        {},
     )
 
     # The glow does not have a particle sensor
@@ -280,7 +273,7 @@ async def test_awair_omni_sensors(hass):
         "sensor.living_room_awair_score",
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_SCORE].unique_id_tag}",
         "99",
-        {ATTR_ICON: "mdi:blur"},
+        {},
     )
 
     assert_expected_properties(
@@ -289,7 +282,7 @@ async def test_awair_omni_sensors(hass):
         "sensor.living_room_sound_level",
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_SPL_A].unique_id_tag}",
         "47.0",
-        {ATTR_ICON: "mdi:ear-hearing", ATTR_UNIT_OF_MEASUREMENT: "dBa"},
+        {ATTR_UNIT_OF_MEASUREMENT: "dBa"},
     )
 
     assert_expected_properties(
@@ -333,7 +326,7 @@ async def test_awair_unavailable(hass):
         "sensor.living_room_awair_score",
         f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_SCORE].unique_id_tag}",
         "88",
-        {ATTR_ICON: "mdi:blur"},
+        {},
     )
 
     with patch("python_awair.AwairClient.query", side_effect=OFFLINE_FIXTURE):
@@ -344,5 +337,5 @@ async def test_awair_unavailable(hass):
             "sensor.living_room_awair_score",
             f"{AWAIR_UUID}_{SENSOR_TYPES_MAP[API_SCORE].unique_id_tag}",
             STATE_UNAVAILABLE,
-            {ATTR_ICON: "mdi:blur"},
+            {},
         )