diff --git a/sensors/collector/plot.py b/sensors/collector/plot.py
index db88b06..5ac5774 100644
--- a/sensors/collector/plot.py
+++ b/sensors/collector/plot.py
@@ -4,7 +4,7 @@ from collector.models import Time, Temperature, Humidity, Pressure
 
 
 def temperature():
-    data = Temperature.objects.all()[30:]
+    data = Temperature.objects.all()[:30]
     x_axis = []
     y_axis = []
     for point in data:
@@ -20,7 +20,7 @@ def temperature():
 
 
 def humidity():
-    data = Humidity.objects.all()[30:]
+    data = Humidity.objects.all()[:30]
     x_axis = []
     y_axis = []
     for point in data:
@@ -35,7 +35,7 @@ def humidity():
 
 
 def pressure():
-    data = Pressure.objects.all()[30:]
+    data = Pressure.objects.all()[:30]
     x_axis = []
     y_axis = []
     for point in data: