diff --git a/apps/enp/serializers.py b/apps/enp/serializers.py
index f6ccb909..50446648 100644
--- a/apps/enp/serializers.py
+++ b/apps/enp/serializers.py
@@ -126,6 +126,12 @@ class EnvDataSerializer(CustomModelSerializer):
         model = EnvData
         fields = "__all__"
 
+    def to_representation(self, instance):
+        representation = super().to_representation(instance)
+        for field_name in ("dust_rtd", "dust_zs", "temperature", "pressure", "speed", "humidity", "flux", "pm25", "pm10", "tsp", "wind_speed", "so2_rtd", "so2_zs", "nox_rtd", "nox_zs", "o2"):
+            representation[field_name] = round(representation[field_name], 4)
+        return representation
+
 
 class DrainEquipEnvSerializer(CustomModelSerializer):
     equipment_number = serializers.CharField(source="equipment.number", read_only=True)