Monitoring Argo CD helps you keep track of deployments and sync states effectively. Tools like Prometheus and Grafana are the most popular choices for collecting metrics and visualizing data. They can display real-time dashboards for sync success rates, cluster health, and deployment timelines. Argo CD also exposes metrics natively, which makes integration easy. For logs, Loki or Elasticsearch can be used to track issues and performance bottlenecks. Additionally, setting up alerting systems using Alertmanager or Opsgenie ensures that your team is notified instantly when problems occur. Combining these tools gives you a complete picture of your system’s reliability and performance.