diff --git a/homeassistant/components/luftdaten/__init__.py b/homeassistant/components/luftdaten/__init__.py
index 91e9c96d429..ca1b9aed4ff 100644
--- a/homeassistant/components/luftdaten/__init__.py
+++ b/homeassistant/components/luftdaten/__init__.py
@@ -198,8 +198,9 @@ class LuftDatenData:
         try:
             await self.client.get_data()
 
-            self.data[DATA_LUFTDATEN] = self.client.values
-            self.data[DATA_LUFTDATEN].update(self.client.meta)
+            if self.client.values:
+                self.data[DATA_LUFTDATEN] = self.client.values
+                self.data[DATA_LUFTDATEN].update(self.client.meta)
 
         except LuftdatenError:
             _LOGGER.error("Unable to retrieve data from luftdaten.info")
diff --git a/homeassistant/components/luftdaten/sensor.py b/homeassistant/components/luftdaten/sensor.py
index 2d9a8fa85a4..515d8ad577f 100644
--- a/homeassistant/components/luftdaten/sensor.py
+++ b/homeassistant/components/luftdaten/sensor.py
@@ -69,7 +69,10 @@ class LuftdatenSensor(Entity):
     def state(self):
         """Return the state of the device."""
         if self._data is not None:
-            return self._data[self.sensor_type]
+            try:
+                return self._data[self.sensor_type]
+            except KeyError:
+                return None
 
     @property
     def unit_of_measurement(self):
@@ -85,7 +88,10 @@ class LuftdatenSensor(Entity):
     def unique_id(self) -> str:
         """Return a unique, friendly identifier for this entity."""
         if self._data is not None:
-            return f"{self._data['sensor_id']}_{self.sensor_type}"
+            try:
+                return f"{self._data['sensor_id']}_{self.sensor_type}"
+            except KeyError:
+                return None
 
     @property
     def device_state_attributes(self):
@@ -93,7 +99,10 @@ class LuftdatenSensor(Entity):
         self._attrs[ATTR_ATTRIBUTION] = DEFAULT_ATTRIBUTION
 
         if self._data is not None:
-            self._attrs[ATTR_SENSOR_ID] = self._data["sensor_id"]
+            try:
+                self._attrs[ATTR_SENSOR_ID] = self._data["sensor_id"]
+            except KeyError:
+                return None
 
             on_map = ATTR_LATITUDE, ATTR_LONGITUDE
             no_map = "lat", "long"