AQI: better scaling for pollutants' bars.

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(value / hazardousLevelStart))
+            var progressValue = max(0, CGFloat(0.1 + value * 0.9 / hazardousLevelStart))
             progressValue = min(1, progressValue)
             self.progress = progressValue
         }