The average (median) time spent in emergency departments increased in June compared to the previous month to two hours and forty five minutes.
Roedd yr amser cyfartalog (canolrifol) a gafodd ei dreulio mewn adrannau brys wedi cynyddu ym mis Mehefin o’i gymharu â’r mis blaenorol, i ddwy awr a phedwar deg pum munud.