Maintenance for the week of March 25:
• [COMPLETE] ESO Store and Account System for maintenance – March 28, 9:00AM EDT (13:00 UTC) - 12:00PM EDT (16:00 UTC)
You can check the server status on the site, here (they usually have alerts at the top of the page on the forums), and PSN status should be able to be checked on their site, like with xbox. As for immediately right now, I cannot say as "immediately right now" changes every few minutes. :P