diff --git a/CHANGES.md b/CHANGES.md
index 9aa6f1c8..25e57e88 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -8,6 +8,8 @@
   ([#1755](https://github.com/GENI-NSF/geni-portal/issues/1755))
 * Install Jacks icon file VM-noTxt-centered
   ([#1756](https://github.com/GENI-NSF/geni-portal/issues/1756))
+* Make geni-fetch-aggmon request more data
+  ([#1762](https://github.com/GENI-NSF/geni-portal/issues/1762))
 
 ## Installation Notes
 
diff --git a/sbin/geni-fetch-aggmon.in b/sbin/geni-fetch-aggmon.in
index 849fd4e7..4d8d4aa7 100644
--- a/sbin/geni-fetch-aggmon.in
+++ b/sbin/geni-fetch-aggmon.in
@@ -56,7 +56,7 @@ def getIsAvailableEvents(agg_list):
     # end = datetime.datetime.utcnow()
     now = datetime.datetime.now()
     end = now + datetime.timedelta(minutes=0)
-    start = end - datetime.timedelta(minutes=30)
+    start = end - datetime.timedelta(minutes=60)
     end_ts = int(time.mktime(end.timetuple()) * 1000)
     start_ts = int(time.mktime(start.timetuple()) * 1000)
     query = buildMonQuery(eventType=['is_available'],