The number of patients on trolleys at Mayo University Hospital today has halved since yesterday, according to the latest figures from the INMO.
There were 31 patients on trolleys at the Castlebar hospital yesterday - the highest number in the Western region.
Today's Trolley Watch reports 16 patients on trolleys at both Mayo and Sligo University Hospitals, with 8 at UHG.
Nationally, there are 469 patients waiting for a hospital bed this lunchtime - down from 505 yesterday.
Meanwhile, the Irish Nurses and Midwives Organisation are meeting with the HSE this afternoon to try and avert strike action.
It's the latest attempt for both sides to reach agreement in the row over pay and recruitment.
Nurses and midwives are due to stage the first of 6 strikes next Wednesday 30th January.