It's $2,400/mo in addition to the regular unemployment amount. The total amount is more than many US workers, like teachers and construction workers, make while employed[0].
[0] https://fivethirtyeight.com/wp-content/uploads/2020/05/atd-U...
[0] https://fivethirtyeight.com/wp-content/uploads/2020/05/atd-U...