Almost 670 people waited on trolleys at the two Galway hospitals in the month of May.
While the numbers are high, they are actually a decrease on figures for the same month last year, when 671 people spent time on a trolley at UHG.
Nationally, 9,091 patients were on trolleys in May.
University Hospital Limerick was again the worst affected by the crisis, with 858 patients waiting on trolleys, while Letterkenny University Hospital saw a significant decrease in numbers on last year, with 310 on trolleys last month compared to 507 in May 2017.
Today, there are 30 people on trolleys at University Hospital Galway.