The server is down today, and here’s proof:
You can see that the report level is high, which usually means that there is a global problem happening in Pokemon Go. Usually, report levels are low.
This is a notice, and it can be closed immediately. I am doing this to let people that go to the hub know that it is a global problem and not an issue with anything else. I may continue doing this in the future. You can also use the website given to confirm global server issues.