Sligo University Hospital's trolley waiting figures for June 2018 increased by 64% compared to June 2017.
June last year had a total number of 88 people waiting for a bed, while this year there were a total of 247 people waiting.
Letterkenny University Hospital however saw a drop of almost 26% going from 393 people waiting in June 2017 to 291 this year.
Nationally, the waiting figures for the month of June has dropped by 4%.
Advertisement
Deputy General Secretary of the INMO, David Hughes said that the figure 'is still extremely high', and 'we require urgent and effective dialogue to prepare for the coming Winter.'
