Over 2,300 people were recorded as being on trolleys or chairs at local hospital Emergency Departments last month.
New figures from the Irish Nurses and Midwives association reveal Galway University Hospital was the most overcrowded facility in the country in August with Sligo ED also included in the top five.
Over 9,600 patients have been left without a bed in Irish hospitals in August according to the INMO Monthly TrolleyWatch figures.
Galway University Hospital had the highest totals in the country with 1,166 patients waiting at the ED for treatment last month.
A rise of 603 since the same time last year.
Sligo University Hospital has recorded the fifth highest level of overcrowding nationally with 720 people waiting on a bed at the hospital last August.
The total in the North West hospital is 48% higher than what it was for the same month last year.
Figures for other hospitals' EDs in this region in August were broadly similar to 2021 numbers with 217 and 185 waiting on trolleys last month in Mullingar and Portiuncula respectively.
At Tullamore hospital there was a marked decline in the numbers year on year - dropping from 189 to 73 in the last twelve months.
INMO General Secretary Phil Ní Sheaghdha says for the third month in a row a new record has been broken and as the Winter approaches she's calling on the the Minister for Health and senior HSE management to make it their business to take every step that they can to protect nurses, midwives and patients.
