diff --git a/database_format.json b/database_format.json
index 3bd42a1..57cf95f 100644
--- a/database_format.json
+++ b/database_format.json
@@ -44,8 +44,8 @@
 		"category": "gps",
 		"name": "Car speed (via GPS)",
 		"unit": " mph",
-		"safe_max": null,
-		"safe_min": null
+		"safe_max": 100,
+		"safe_min": 0
 	},
 	"gps_course": {
 		"category": "gps",
diff --git a/main.py b/main.py
index 2c8c5cf..3d81901 100644
--- a/main.py
+++ b/main.py
@@ -475,4 +475,4 @@ def longterm():
 
 
 if __name__ == '__main__':
-    app.run(debug=True, use_reloader=False)
+    app.run(debug=True, use_reloader=False)
\ No newline at end of file
diff --git a/static/javascript/lib/Chart.js b/static/javascript/lib/Chart.js
index abd8d41..8ab07fb 100644
--- a/static/javascript/lib/Chart.js
+++ b/static/javascript/lib/Chart.js
@@ -1444,11 +1444,11 @@ for (var func in conversions) {
   // export rgb2hsl and ["rgb"]["hsl"]
   convert[from] = convert[from] || {};
 
-  convert[from][to] = convert[func] = (function(func) { 
+  convert[from][to] = convert[func] = (function(func) {
     return function(arg) {
       if (typeof arg == "number")
         arg = Array.prototype.slice.call(arguments);
-      
+
       var val = conversions[func](arg);
       if (typeof val == "string" || val === undefined)
         return val; // keyword
@@ -1476,12 +1476,12 @@ Converter.prototype.routeSpace = function(space, args) {
    }
    // color.rgb(10, 10, 10)
    if (typeof values == "number") {
-      values = Array.prototype.slice.call(args);        
+      values = Array.prototype.slice.call(args);
    }
 
    return this.setValues(space, values);
 };
-  
+
 /* Set the values for a space, invalidating cache */
 Converter.prototype.setValues = function(space, values) {
    this.space = space;
@@ -6463,7 +6463,7 @@ module.exports = {
 
 			if (isHorizontal) {
 				minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight);
-				maxChartAreaHeight -= minSize.height;
+				maxChartAreaHeight -= 0;
 			} else {
 				minSize = box.update(verticalBoxWidth, maxChartAreaHeight);
 				maxChartAreaWidth -= minSize.width;
diff --git a/static/javascript/map.js b/static/javascript/map.js
index c6daf6b..e9e7b78 100644
--- a/static/javascript/map.js
+++ b/static/javascript/map.js
@@ -28,7 +28,7 @@ function on_select_change() {
 
 // map
 function draw_map() {
-    if(location_pairs === null) {
+    if(location_pairs == null) {
         document.getElementById("map").style.display = 'none';
         document.getElementById("no-info").style.display = 'inline';
         return;
diff --git a/static/javascript/realtime.js b/static/javascript/realtime.js
index 719b459..200aaf1 100644
--- a/static/javascript/realtime.js
+++ b/static/javascript/realtime.js
@@ -117,12 +117,11 @@ let charts = contexts.map(x => new Chart(x, {
     }
 }));
 
-
 initialHide();
+initialScale();
 checkForData();
 setInterval(checkForData, 500);
 
-
 /*
 Requests new data and calls updateChart() with it.
  */
@@ -141,6 +140,9 @@ function checkForData() {
 		});
 }
 
+function getChartName(chart) {
+    return chart.canvas.id.split("-")[1];
+}
 
 function initialHide() {
     for (let chart of charts) {
@@ -150,7 +152,16 @@ function initialHide() {
     }
 }
 
+function initialScale(){
+    for (let chart of charts){
+        let name = getChartName(chart);
+        let info = db_format[name];
 
+        chart.config.options.scales.yAxes[0].ticks.suggestedMax = info["safe_max"];
+        chart.config.options.scales.yAxes[0].ticks.suggestedMin = info["safe_min"];
+
+    }
+}
 
 /*
 Updates chart with values with new values(s) in new_data
diff --git a/templates/daily_location.html b/templates/daily_location.html
index 074d06b..f3c4822 100644
--- a/templates/daily_location.html
+++ b/templates/daily_location.html
@@ -4,7 +4,7 @@
 		<script type="text/javascript">
             // Declare Javascript variables and inject serverside values
 			// Pass list of location pairs for use in js map drawing
-            let location_pairs = {{ location_pairs}};
+            let location_pairs = {{ location_pairs }};
 
             // Pass starttime and endtime, needed to set dropdowns on page reload
             let starttime = {{ starttime }};