From 4ee9a6f1301d34c2f287038ebf0c3acdc5f93517 Mon Sep 17 00:00:00 2001
From: Seth <48533968+WillCodeForCats@users.noreply.github.com>
Date: Sun, 22 Oct 2023 15:02:15 -0700
Subject: [PATCH] Implement available property for Airthings BLE sensors
 (#96735)

---
 homeassistant/components/airthings_ble/sensor.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/homeassistant/components/airthings_ble/sensor.py b/homeassistant/components/airthings_ble/sensor.py
index 28b5fa3a7a6..aaeb91cf30b 100644
--- a/homeassistant/components/airthings_ble/sensor.py
+++ b/homeassistant/components/airthings_ble/sensor.py
@@ -226,6 +226,14 @@ class AirthingsSensor(
             model=airthings_device.model,
         )
 
+    @property
+    def available(self) -> bool:
+        """Check if device and sensor is available in data."""
+        return (
+            super().available
+            and self.entity_description.key in self.coordinator.data.sensors
+        )
+
     @property
     def native_value(self) -> StateType:
         """Return the value reported by the sensor."""