From 2d29ef9b632800d299d9be694e07ba578f29ee09 Mon Sep 17 00:00:00 2001
From: "J.P. Krauss" <jkrauss@asymworks.com>
Date: Tue, 23 Nov 2021 12:54:53 -0800
Subject: [PATCH] Avoid errors when AirNow API does not return all expected
 pollutants (#60232)

Co-authored-by: Aaron Bach <bachya1208@gmail.com>
---
 homeassistant/components/airnow/sensor.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/airnow/sensor.py b/homeassistant/components/airnow/sensor.py
index b0d8c69cff2..c56530613a2 100644
--- a/homeassistant/components/airnow/sensor.py
+++ b/homeassistant/components/airnow/sensor.py
@@ -86,7 +86,8 @@ class AirNowSensor(CoordinatorEntity, SensorEntity):
     @property
     def native_value(self):
         """Return the state."""
-        self._state = self.coordinator.data[self.entity_description.key]
+        self._state = self.coordinator.data.get(self.entity_description.key)
+
         return self._state
 
     @property