Hi,
That’s a really hard questions to answer. Could you please include screenshot(s) which underlines your problems? Are you using some kind of plugin in Grafana or have you built your own dashboards?
Please have a look at these articles for troubleshooting query issues:
https://community.grafana.com/t/using-grafanas-query-inspector-to-troubleshoot-issues/2630
https://community.grafana.com/t/how-to-troubleshoot-metric-query-issues/50
Marcus