Methods, computer program products, and systems are presented. The method computer program products, and systems can include, for instance: determining that a location based event has occurred, the location based event pertaining to a certain user computer device; identifying, based on the determining, a notification for sending to the certain user computer device, wherein the notification has an associated destination location; examining an activity level of the destination location; and based on the activity level exceeding a threshold, providing one or more output.