Is Microsoft Teams down?

Nope

As of 12:39:33 UTC on 2022-10-05, according to Microsoft nothing is going on, it's all good for now.



The last update was six days ago:

2022-09-29 12:09:46: "We're investigating an issue preventing users in North American from accessing SharePoint Online and OneDrive for Business content. Please refer to SP440666 and OD440667 in the Microsoft 365 admin center for further details."