After you create a new JQL query, you may want to save the results as a chart on your dashboard.

Click to enlarge

How to Do It
  1. View your search results in the Issue Navigator. You can get to this screen by either simply performing a search, or by selecting a previously saved filter.
  2. Click the "Views" button in the right-hand side of the screen.
  3. Select "Charts"
  4. Select your desired chart type and follow the on-screen instructions to add it to your dashboard.

Check out the JIRA documentation to learn more about what types of charts you can create.