"Er gwaetha'r pwysau, cafodd mwy o gleifion eu gweld a’u trin o fewn y targed o 4 awr y mis Ionawr hwn, nag unrhyw fis Ionawr ers 2014, a diolch i staff gweithgar y GIG yw hynny.
“It is testament to our hard-working NHS staff that despite this pressure the number of patients seen and treated within the 4-hour target was the highest for January since 2014.