Implemented AQI legend.

lib/pages/analytics/modules/air_quality/views/air_quality_view.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:syncrow_web/pages/analytics/modules/air_quality/widgets/air_quality_end_side_widget.dart';
 import 'package:syncrow_web/pages/analytics/modules/air_quality/widgets/aqi_distribution_chart_box.dart';
+import 'package:syncrow_web/pages/analytics/modules/air_quality/widgets/aqi_legend.dart';
 import 'package:syncrow_web/pages/analytics/modules/air_quality/widgets/range_of_aqi_chart_box.dart';
 
 class AirQualityView extends StatelessWidget {
@@ -20,6 +21,10 @@ class AirQualityView extends StatelessWidget {
             child: Column(
               spacing: 32,
               children: [
+                SizedBox(
+                  height: height * 0.1,
+                  child: const AqiLegend(),
+                ),
                 SizedBox(
                   height: height * 1.2,
                   child: const AirQualityEndSideWidget(),
@@ -40,7 +45,7 @@ class AirQualityView extends StatelessWidget {
         return SingleChildScrollView(
           child: Container(
             padding: _padding,
-            height: height * 1.1,
+            height: height * 1.2,
             child: const Column(
               children: [
                 Expanded(
@@ -52,8 +57,9 @@ class AirQualityView extends StatelessWidget {
                         child: Column(
                           spacing: 20,
                           children: [
-                            Expanded(child: RangeOfAqiChartBox()),
+                            Expanded(flex: 2, child: AqiLegend()),
-                            Expanded(child: AqiDistributionChartBox()),
+                            Expanded(flex: 12, child: RangeOfAqiChartBox()),
+                            Expanded(flex: 12, child: AqiDistributionChartBox()),
                           ],
                         ),
                       ),

lib/pages/analytics/modules/air_quality/widgets/aqi_legend.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+import 'package:syncrow_web/pages/analytics/modules/air_quality/helpers/range_of_aqi_charts_helper.dart';
+import 'package:syncrow_web/pages/analytics/modules/analytics/widgets/chart_informative_cell.dart';
+import 'package:syncrow_web/utils/style.dart';
+
+class AqiLegend extends StatelessWidget {
+  const AqiLegend({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsetsDirectional.all(20),
+      decoration: subSectionContainerDecoration.copyWith(
+        borderRadius: BorderRadius.circular(20),
+      ),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.center,
+        spacing: 16,
+        children: RangeOfAqiChartsHelper.gradientData.map((e) {
+          return Flexible(
+            flex: 4,
+            child: FittedBox(
+              fit: BoxFit.fill,
+              child: ChartInformativeCell(
+                color: e.$1,
+                title: FittedBox(
+                  fit: BoxFit.fill,
+                  child: Text(e.$2),
+                ),
+                height: null,
+              ),
+            ),
+          );
+        }).toList(),
+      ),
+    );
+  }
+}

lib/pages/analytics/modules/analytics/widgets/chart_informative_cell.dart

@@ -7,16 +7,18 @@ class ChartInformativeCell extends StatelessWidget {
     required this.title,
     required this.color,
     this.hasBorder = false,
+    this.height,
   });
 
   final Widget title;
   final Color color;
   final bool hasBorder;
+  final double? height;
 
   @override
   Widget build(BuildContext context) {
     return Container(
-      height: MediaQuery.sizeOf(context).height * 0.0385,
+      height: height ?? MediaQuery.sizeOf(context).height * 0.0385,
       padding: const EdgeInsetsDirectional.symmetric(
         vertical: 8,
         horizontal: 12,