Hide temperature readings which are more outdated than 24 hours

src/widgets/SensorReading/SensorReading.jsx

@@ -24,10 +24,16 @@ const SensorReading = ({
     const formattedTimestamp = formatDefault(lastUpdate) + ' (' + formatDistanceToNow(lastUpdate) + ')';
     const unit = units[type];
     const formattedValue = value.toFixed(unit[1]) + unit[0];
-    const isCurrent = timestamp && Date.now() - timestamp <= 3_600_000;
+    const readingAge = Date.now() - timestamp;
+    const isCurrent = readingAge <= 3_600_000;
+    const isVisible = readingAge <= 86_400_000;
     // TODO: only for type === Temperature
     const thermometerState = thresholds.filter(threshold => threshold < value).length;
 
+    if (!isVisible) {
+        return null;
+    }
+
     return (<Col>
         <Card bg="primary" text={isCurrent ? 'white' : 'secondary'}>
             <Card.Body>