diff --git a/homeassistant/components/airgradient/manifest.json b/homeassistant/components/airgradient/manifest.json
index fed4fafdc74..c0472131357 100644
--- a/homeassistant/components/airgradient/manifest.json
+++ b/homeassistant/components/airgradient/manifest.json
@@ -6,6 +6,6 @@
   "documentation": "https://www.home-assistant.io/integrations/airgradient",
   "integration_type": "device",
   "iot_class": "local_polling",
-  "requirements": ["airgradient==0.8.0"],
+  "requirements": ["airgradient==0.9.0"],
   "zeroconf": ["_airgradient._tcp.local."]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 3b265cb9d86..6db7772f11c 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -410,7 +410,7 @@ aiowithings==3.0.3
 aioymaps==1.2.5
 
 # homeassistant.components.airgradient
-airgradient==0.8.0
+airgradient==0.9.0
 
 # homeassistant.components.airly
 airly==1.1.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index e76484e016a..fb11103d917 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -392,7 +392,7 @@ aiowithings==3.0.3
 aioymaps==1.2.5
 
 # homeassistant.components.airgradient
-airgradient==0.8.0
+airgradient==0.9.0
 
 # homeassistant.components.airly
 airly==1.1.0
diff --git a/tests/components/airgradient/snapshots/test_sensor.ambr b/tests/components/airgradient/snapshots/test_sensor.ambr
index ff83fdcc111..941369ff266 100644
--- a/tests/components/airgradient/snapshots/test_sensor.ambr
+++ b/tests/components/airgradient/snapshots/test_sensor.ambr
@@ -305,7 +305,7 @@
     'last_changed': <ANY>,
     'last_reported': <ANY>,
     'last_updated': <ANY>,
-    'state': '48.0',
+    'state': '47.0',
   })
 # ---
 # name: test_all_entities[indoor][sensor.airgradient_led_bar_brightness-entry]
@@ -912,7 +912,7 @@
     'last_changed': <ANY>,
     'last_reported': <ANY>,
     'last_updated': <ANY>,
-    'state': '27.96',
+    'state': '22.17',
   })
 # ---
 # name: test_all_entities[indoor][sensor.airgradient_voc_index-entry]