diff --git a/lib/pages/analytics/models/air_quality_data_model.dart b/lib/pages/analytics/models/air_quality_data_model.dart
index 639bcb2e..2f5b3b3b 100644
--- a/lib/pages/analytics/models/air_quality_data_model.dart
+++ b/lib/pages/analytics/models/air_quality_data_model.dart
@@ -20,12 +20,12 @@ class AirQualityDataModel {
   final double? tvoc;
   final double? co2;
 
-  static const Map<String, Color> metricColors = {
-    'aqi': ColorsManager.goodGreen,
-    'pm25': ColorsManager.moderateYellow,
-    'pm10': ColorsManager.poorOrange,
-    'hcho': ColorsManager.unhealthyRed,
-    'tvoc': ColorsManager.severePink,
-    'co2': ColorsManager.hazardousPurple,
+  static final Map<String, Color> metricColors = {
+    'aqi': ColorsManager.goodGreen.withValues(alpha: 0.7),
+    'pm25': ColorsManager.moderateYellow.withValues(alpha: 0.7),
+    'pm10': ColorsManager.poorOrange.withValues(alpha: 0.7),
+    'hcho': ColorsManager.unhealthyRed.withValues(alpha: 0.7),
+    'tvoc': ColorsManager.severePink.withValues(alpha: 0.7),
+    'co2': ColorsManager.hazardousPurple.withValues(alpha: 0.7),
   };
 }