However, the number of invasive ventilated beds occupied with COVID-19 related patients has remained relatively stable over the latest week.
Fodd bynnag, mae nifer y gwelyau cymorth anadlu mewnwthiol sy'n cael eu defnyddio gan gleifion sy'n gysylltiedig â COVID-19 wedi parhau'n gymharol sefydlog dros yr wythnos diweddaraf.