diff --git a/lib/pages/analytics/modules/air_quality/helpers/range_of_aqi_charts_helper.dart b/lib/pages/analytics/modules/air_quality/helpers/range_of_aqi_charts_helper.dart
index 1bff8981..381a8d03 100644
--- a/lib/pages/analytics/modules/air_quality/helpers/range_of_aqi_charts_helper.dart
+++ b/lib/pages/analytics/modules/air_quality/helpers/range_of_aqi_charts_helper.dart
@@ -37,17 +37,10 @@ abstract final class RangeOfAqiChartsHelper {
       leftTitles: titlesData.leftTitles.copyWith(
         sideTitles: titlesData.leftTitles.sideTitles.copyWith(
           reservedSize: 70,
-          interval: 51,
-          maxIncluded: true,
+          interval: 50,
+          maxIncluded: false,
           getTitlesWidget: (value, meta) {
-            String text;
-            if (value >= 300) {
-              text = '301+';
-            } else if (value == 255) {
-              text = '300';
-            } else {
-              text = ((value / 50).round() * 50).toInt().toString();
-            }
+            final text = value >= 300 ? '301+' : value.toInt().toString();
             return Padding(
               padding: const EdgeInsetsDirectional.only(end: 12),
               child: FittedBox(