diff --git a/homeassistant/components/bloomsky/binary_sensor.py b/homeassistant/components/bloomsky/binary_sensor.py
index 4234b4fb145..858c39c4db9 100644
--- a/homeassistant/components/bloomsky/binary_sensor.py
+++ b/homeassistant/components/bloomsky/binary_sensor.py
@@ -44,32 +44,14 @@ class BloomSkySensor(BinarySensorEntity):
         self._bloomsky = bs
         self._device_id = device["DeviceID"]
         self._sensor_name = sensor_name
-        self._name = f"{device['DeviceName']} {sensor_name}"
-        self._state = None
-        self._unique_id = f"{self._device_id}-{self._sensor_name}"
-
-    @property
-    def unique_id(self):
-        """Return a unique ID."""
-        return self._unique_id
-
-    @property
-    def name(self):
-        """Return the name of the BloomSky device and this sensor."""
-        return self._name
-
-    @property
-    def device_class(self):
-        """Return the class of this sensor, from DEVICE_CLASSES."""
-        return SENSOR_TYPES.get(self._sensor_name)
-
-    @property
-    def is_on(self):
-        """Return true if binary sensor is on."""
-        return self._state
+        self._attr_name = f"{device['DeviceName']} {sensor_name}"
+        self._attr_unique_id = f"{self._device_id}-{sensor_name}"
+        self._attr_device_class = SENSOR_TYPES.get(sensor_name)
 
     def update(self):
         """Request an update from the BloomSky API."""
         self._bloomsky.refresh_devices()
 
-        self._state = self._bloomsky.devices[self._device_id]["Data"][self._sensor_name]
+        self._attr_is_on = self._bloomsky.devices[self._device_id]["Data"][
+            self._sensor_name
+        ]
diff --git a/homeassistant/components/bloomsky/camera.py b/homeassistant/components/bloomsky/camera.py
index e14e2f5c68b..570842b9c66 100644
--- a/homeassistant/components/bloomsky/camera.py
+++ b/homeassistant/components/bloomsky/camera.py
@@ -25,7 +25,7 @@ class BloomSkyCamera(Camera):
     def __init__(self, bs, device):
         """Initialize access to the BloomSky camera images."""
         super().__init__()
-        self._name = device["DeviceName"]
+        self._attr_name = device["DeviceName"]
         self._id = device["DeviceID"]
         self._bloomsky = bs
         self._url = ""
@@ -35,6 +35,7 @@ class BloomSkyCamera(Camera):
         # to download the same image over and over.
         self._last_image = ""
         self._logger = logging.getLogger(__name__)
+        self._attr_unique_id = self._id
 
     def camera_image(self):
         """Update the camera's image if it has changed."""
@@ -51,13 +52,3 @@ class BloomSkyCamera(Camera):
             return None
 
         return self._last_image
-
-    @property
-    def unique_id(self):
-        """Return a unique ID."""
-        return self._id
-
-    @property
-    def name(self):
-        """Return the name of this BloomSky device."""
-        return self._name
diff --git a/homeassistant/components/bloomsky/sensor.py b/homeassistant/components/bloomsky/sensor.py
index cf494c40916..29ca198c1fc 100644
--- a/homeassistant/components/bloomsky/sensor.py
+++ b/homeassistant/components/bloomsky/sensor.py
@@ -83,31 +83,11 @@ class BloomSkySensor(SensorEntity):
         self._bloomsky = bs
         self._device_id = device["DeviceID"]
         self._sensor_name = sensor_name
-        self._name = f"{device['DeviceName']} {sensor_name}"
-        self._state = None
-        self._unique_id = f"{self._device_id}-{self._sensor_name}"
-
-    @property
-    def unique_id(self):
-        """Return a unique ID."""
-        return self._unique_id
-
-    @property
-    def name(self):
-        """Return the name of the BloomSky device and this sensor."""
-        return self._name
-
-    @property
-    def state(self):
-        """Return the current state, eg. value, of this sensor."""
-        return self._state
-
-    @property
-    def unit_of_measurement(self):
-        """Return the sensor units."""
+        self._attr_name = f"{device['DeviceName']} {sensor_name}"
+        self._attr_unique_id = f"{self._device_id}-{sensor_name}"
+        self._attr_unit_of_measurement = SENSOR_UNITS_IMPERIAL.get(sensor_name, None)
         if self._bloomsky.is_metric:
-            return SENSOR_UNITS_METRIC.get(self._sensor_name, None)
-        return SENSOR_UNITS_IMPERIAL.get(self._sensor_name, None)
+            self._attr_unit_of_measurement = SENSOR_UNITS_METRIC.get(sensor_name, None)
 
     @property
     def device_class(self):
@@ -117,10 +97,7 @@ class BloomSkySensor(SensorEntity):
     def update(self):
         """Request an update from the BloomSky API."""
         self._bloomsky.refresh_devices()
-
         state = self._bloomsky.devices[self._device_id]["Data"][self._sensor_name]
-
-        if self._sensor_name in FORMAT_NUMBERS:
-            self._state = f"{state:.2f}"
-        else:
-            self._state = state
+        self._attr_state = (
+            f"{state:.2f}" if self._sensor_name in FORMAT_NUMBERS else state
+        )