In this case it's a luck if any are working correctly, a problem is global with some exceptions.
seems to be some comments here of some regions functioning ok, although perhaps it’s not 100% in all regions
us-central1
us-west1
us-west2
is what I’ve heard so far. east seems to be OK, and Europe too
South America is down for me.
But youtube works OK, I can watch Google IO and they talking about all Google greatness while their outage impact second class clients on their cloud.