University Hospital Galway is the third most overcrowded in the country today, with nearly 60 patients on trolleys.
INMO data shows that there are 41 patients on trolleys in the emergency department at UHG today, and another 17 without beds in the wards.
At Portiuncula Hospital in Ballinasloe there is just one patient admitted to the emergency department with no bed available.
Nationwide there are 507 people waiting on trolleys in Irish hospitals this morning according to the INMO Trolley/Ward Watch.
The worst affected hospital in the country is Letterkenny University Hospital (84), followed by UH Limerick (83), UHG (58), and the Mater (38).