diff --git a/homeassistant/components/aranet/sensor.py b/homeassistant/components/aranet/sensor.py
index bc556209327..1835cc09a77 100644
--- a/homeassistant/components/aranet/sensor.py
+++ b/homeassistant/components/aranet/sensor.py
@@ -92,7 +92,7 @@ SENSOR_DESCRIPTIONS = {
         key="radiation_rate",
         translation_key="radiation_rate",
         name="Radiation Dose Rate",
-        native_unit_of_measurement="μSv/h",  # b'\xce\xbc'
+        native_unit_of_measurement="μSv/h",  # "μ" == "\u03bc"
         state_class=SensorStateClass.MEASUREMENT,
         suggested_display_precision=2,
         scale=0.001,
diff --git a/homeassistant/components/derivative/sensor.py b/homeassistant/components/derivative/sensor.py
index 8dea3859cec..8a0cf481c43 100644
--- a/homeassistant/components/derivative/sensor.py
+++ b/homeassistant/components/derivative/sensor.py
@@ -61,7 +61,7 @@ ATTR_SOURCE_ID = "source"
 UNIT_PREFIXES = {
     None: 1,
     "n": 1e-9,
-    "μ": 1e-6,
+    "μ": 1e-6,  # "μ" == "\u03bc"
     "m": 1e-3,
     "k": 1e3,
     "M": 1e6,
diff --git a/homeassistant/components/fyta/sensor.py b/homeassistant/components/fyta/sensor.py
index 009804aff68..edb2ddfe6f3 100644
--- a/homeassistant/components/fyta/sensor.py
+++ b/homeassistant/components/fyta/sensor.py
@@ -105,7 +105,7 @@ SENSORS: Final[list[FytaSensorEntityDescription]] = [
     FytaSensorEntityDescription(
         key="light",
         translation_key="light",
-        native_unit_of_measurement="μmol/s⋅m²",  # b'\xce\xbc'
+        native_unit_of_measurement="μmol/s⋅m²",  # "μ" == "\u03bc"
         state_class=SensorStateClass.MEASUREMENT,
         value_fn=lambda plant: plant.light,
     ),
diff --git a/homeassistant/components/tuya/const.py b/homeassistant/components/tuya/const.py
index 1641fe9402a..3aaf6fe362a 100644
--- a/homeassistant/components/tuya/const.py
+++ b/homeassistant/components/tuya/const.py
@@ -496,7 +496,7 @@ UNITS = (
     ),
     UnitOfMeasurement(
         unit=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
-        aliases={"ug/m3", "μg/m3", "ug/m³"},
+        aliases={"ug/m3", "μg/m3", "\u00b5g/m3", "ug/m³"},
         device_classes={
             SensorDeviceClass.NITROGEN_DIOXIDE,
             SensorDeviceClass.NITROGEN_MONOXIDE,
diff --git a/homeassistant/const.py b/homeassistant/const.py
index b2d63becfee..e546e7b4b65 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -664,7 +664,7 @@ class UnitOfElectricCurrent(StrEnum):
 class UnitOfElectricPotential(StrEnum):
     """Electric potential units."""
 
-    MICROVOLT = "μV"  # b'\xce\xbcV'
+    MICROVOLT = "μV"  # "μ" == "\u03bc"
     MILLIVOLT = "mV"
     VOLT = "V"
     KILOVOLT = "kV"