Cork University Hospital is the second most overcrowded hospital in the country today.
76 patients are being treated on trolleys at CUH, while there are 30 people on trolleys at the Mercy University Hospital.
660 people are being treated on trolleys at hospitals across the country.
According to the INMO, 548 patients are waiting in emergency departments, while 112 are in wards.
University Hospital Limerick is the worst affected facility, with 91 patients on trolleys.