diff --git a/bundles/org.openhab.binding.sensorcommunity/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.sensorcommunity/src/main/resources/OH-INF/thing/thing-types.xml
index 89684f8b3..19e8eaa90 100644
--- a/bundles/org.openhab.binding.sensorcommunity/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.sensorcommunity/src/main/resources/OH-INF/thing/thing-types.xml
@@ -76,12 +76,12 @@
 	<channel-type id="pm25-channel">
 		<item-type>Number:Density</item-type>
 		<label>Particulate Matter category 2.5</label>
-		<state pattern="%.1f %unit%" readOnly="true"/>
+		<state pattern="%.1f µg/m³" readOnly="true"/>
 	</channel-type>
 	<channel-type id="pm100-channel">
 		<item-type>Number:Density</item-type>
 		<label>Particulate Matter category 10.0</label>
-		<state pattern="%.1f %unit%" readOnly="true"/>
+		<state pattern="%.1f µg/m³" readOnly="true"/>
 	</channel-type>
 	<channel-type id="temp-channel">
 		<item-type>Number:Temperature</item-type>
@@ -93,7 +93,7 @@
 		<item-type>Number:Dimensionless</item-type>
 		<label>Humidity</label>
 		<description>Humidity from the selected Sensor ID</description>
-		<state pattern="%.1f %unit%" readOnly="true"/>
+		<state pattern="%.1f %%" readOnly="true"/>
 	</channel-type>
 	<channel-type id="pressure-channel">
 		<item-type>Number:Pressure</item-type>
@@ -111,18 +111,18 @@
 		<item-type>Number:Dimensionless</item-type>
 		<label>Average Noise</label>
 		<description>Average noise level from the selected Sensor ID</description>
-		<state pattern="%.1f %unit%" readOnly="true"/>
+		<state pattern="%.1f dB" readOnly="true"/>
 	</channel-type>
 	<channel-type id="noise-min-channel">
 		<item-type>Number:Dimensionless</item-type>
 		<label>Minimum Noise</label>
 		<description>Minimum noise level (last 2.5 minutes) from the selected Sensor ID</description>
-		<state pattern="%.1f %unit%" readOnly="true"/>
+		<state pattern="%.1f dB" readOnly="true"/>
 	</channel-type>
 	<channel-type id="noise-max-channel">
 		<item-type>Number:Dimensionless</item-type>
 		<label>Maximum Noise</label>
 		<description>Maximum noise level (last 2.5 minutes) from the selected Sensor ID</description>
-		<state pattern="%.1f %unit%" readOnly="true"/>
+		<state pattern="%.1f dB" readOnly="true"/>
 	</channel-type>
 </thing:thing-descriptions>