diff --git a/libdyson/dyson_pure_cool.py b/libdyson/dyson_pure_cool.py
index e637a1d..5fbf9f7 100644
--- a/libdyson/dyson_pure_cool.py
+++ b/libdyson/dyson_pure_cool.py
@@ -63,14 +63,14 @@ def particulate_matter_10(self):
         return int(self._get_environmental_field_value("pm10"))
 
     @property
-    def volatile_organic_compounds(self):
-        """Return VOCs in micro grams per cubic meter."""
-        return int(self._get_environmental_field_value("va10"))
+    def volatile_organic_compounds(self) -> float:
+        """Return the index value for VOC"""
+        return self._get_environmental_field_value("va10", divisor=10)
 
     @property
-    def nitrogen_dioxide(self):
-        """Return nitrogen dioxide level in micro grams per cubic meter."""
-        return int(self._get_environmental_field_value("noxl"))
+    def nitrogen_dioxide(self) -> float:
+        """Return the index value for nitrogen."""
+        return self._get_environmental_field_value("noxl", divisor=10)
 
     def turn_on(self) -> None:
         """Turn on the device."""
diff --git a/setup.cfg b/setup.cfg
index eeb82d9..37a59eb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = libdyson-neon
-version = 1.0.0
+version = 1.0.1
 author = The libdyson Working Group
 author_email = dotvezz@gmail.com
 license = MIT License
diff --git a/tests/test_pure_cool.py b/tests/test_pure_cool.py
index f60e37d..d4cfa26 100644
--- a/tests/test_pure_cool.py
+++ b/tests/test_pure_cool.py
@@ -151,8 +151,8 @@ def test_properties(mqtt_client: MockedMQTT):
     device.request_environmental_data()
     assert device.particulate_matter_2_5 == 9
     assert device.particulate_matter_10 == 5
-    assert device.volatile_organic_compounds == 4
-    assert device.nitrogen_dioxide == 11
+    assert device.volatile_organic_compounds == 0.4
+    assert device.nitrogen_dioxide == 1.1
 
 
 @pytest.mark.parametrize(