For 2021, the maximum contribution to all your individual IRA's (both Roth and Traditional combined) is $6,000 if you are under 50 and $7,000 if you are over 50.
** The IRS has extended the contribution deadline for 2020 contributions until May 17, 2021.
You can check income limits and rules here on the IRS website.
Contributions to your All of Us IRA must be made through your linked bank account.