Exhaust catalyst tracking and notification system

A system comprising:

• a sensor array associated with an aftertreatment system and structured to collect information indicative of a catalyst health;
• and
• a controller coupled to the sensor array, the controller including:
• an NOx age circuit structured to determine a NOx catalyst age based on the information indicative of the catalyst health;
• a temperature age circuit structured to determine a temperature catalyst age based on the information indicative of the catalyst health;
• a warning circuit structured to generate a warning status when at least one of the NOx catalyst age or the temperature catalyst age equals or exceeds a predetermined warning threshold;
• an alarm circuit structured to generate an alarm status when at least one of the NOx catalyst age or the temperature catalyst age equals or exceeds a predetermined alarm threshold;
• and
• a notification circuit structured to send a warning signal to a user interface when the warning status is generated by the warning circuit, and send an alarm signal to the user interface when the alarm status is generated by the alarm circuit.

A method comprising:

• determining a catalyst age of a catalyst based on at least one of a NOx efficiency or a temperature of exhaust gas entering the catalyst;
• generating a warning signal when the catalyst age equals or exceeds a warning threshold;
• and
• providing a warning indication of the warning signal via a user interface.