Fix Health progress / status issues.

1Weather/Model/ModelObjects/Health/AirQuality.swift

@@ -17,7 +17,7 @@ public struct AirQuality: Equatable, Hashable {
         self.index = index
         self.advice = advice
         
-        var progressValue = CGFloat(sqrt(0.1 + (index * 0.9) / 400)) // just to make it look nicer, so that we didn't have too short gradient circle in areas with generally good air.
+        var progressValue = CGFloat(sqrt(0.1 + (max(index, 0) * 0.9) / 400)) // just to make it look nicer, so that we didn't have too short gradient circle in areas with generally good air.
             
         progressValue = max(0, progressValue)
         progressValue = min(1, progressValue)
@@ -25,13 +25,21 @@ public struct AirQuality: Equatable, Hashable {
     }
     
     public var status: HealthStatus {
-        switch index {
-        case 0...50: return .good
-        case 51...100: return .moderate
-        case 101...150: return .unhealthyForSensitiveGroups
-        case 151...200: return .unhealthy
-        case 201...300: return .veryUnhealthy
-        default: return .hazardous
+        if index <= 50 {
+            return .good
         }
+        if index <= 100 {
+            return .moderate
+        }
+        if index <= 150 {
+            return .unhealthyForSensitiveGroups
+        }
+        if index <= 200 {
+            return .unhealthy
+        }
+        if index <= 300 {
+            return .veryUnhealthy
+        }
+        return .hazardous
     }
 }

1Weather/Model/ModelObjects/Health/Pollutant.swift

@@ -50,7 +50,7 @@ public struct Pollutant: Equatable, Hashable {
         self.status = statusValue
         
         if let hazardousLevelStart = self.hazardousLevelStart {
-            var progressValue = max(0, CGFloat(0.1 + value * 0.9 / hazardousLevelStart))
+            var progressValue = CGFloat(sqrt(0.1 + max(0, value) * 0.9 / hazardousLevelStart))
             progressValue = min(1, progressValue)
             self.progress = progressValue
         }