diff --git a/app/portal/__init__.py b/app/portal/__init__.py
index af9bae5..89ee2c5 100644
--- a/app/portal/__init__.py
+++ b/app/portal/__init__.py
@@ -1,4 +1,5 @@
 from datetime import datetime, timedelta
+from time import timezone
 
 from flask import Blueprint, render_template, Response, flash, redirect, url_for, request
 from sqlalchemy import exc, desc, or_
@@ -178,7 +179,9 @@ def search():
 
 @portal.route('/alarms')
 def view_alarms():
-    alarms = Alarm.query.order_by(Alarm.alarm_state, desc(Alarm.state_changed)).all()
+    three_days_ago = datetime.now(timezone.utc) - timedelta(days=3)
+    alarms = Alarm.query.filter(Alarm.last_updated >= three_days_ago).order_by(
+        Alarm.alarm_state, desc(Alarm.state_changed)).all()
     return render_template("alarms.html.j2", section="alarm", alarms=alarms)