Level 1 / Low risk: Regulations in place during the summer (most relaxed), but allowing for some household mixing (e.g. rule of 6 as described in England).
Lefel 1 / Risg isel: Y rheoliadau a fu ar waith yn ystod yr haf (mwyaf llac), ond gan ganiatáu i rai aelwydydd gymysgu (e.e.