530 people are waiting for beds in hospitals nationwide this morning.
University Hospital Limerick is the worst affected by overcrowding, with 121 patients on trolleys.
That's followed by 71 at Cork University Hospital, and 44 at both University Hospital Galway and the Mater Hospital in Dublin.
Figures from the Irish Nurses and Midwives Organisation show 372 patients are in emergency departments, while 158 are in wards.
Elsewhere, across this region there are 22 patients on trolleys at Sligo University Hospital, 15 at Mayo University Hospital and seven at Portiuncula Hospital in Ballinasloe.