At a Local Health Board level, the highest proportion of red calls responded to within 8 minutes was seen in Betsi Cadwaladr (53.1%), and the lowest in Powys (44.7%).
Y ganran isaf erioed o gleifion yn treulio llai na 4 awr mewn adrannau achosion brys, a’r nifer uchaf erioed o gleifion yn treulio mwy na 12 awr mewn adrannau achosion brys.