There was also delays of over 90 mins in Tipperary, Galway, Wicklow, and Wexford.
It took 1 hour and 51 minutes for an ambulance to arrive at a life-threatening emergency in Co. Louth earlier this year, it has emerged.
The call was just one of 63 critical calls that had a response time of over 60 minutes between April and June.
There were also delays of over 90 minutes in Tipperary, Galway, Wicklow, and Wexford.
Tony Gregg, from the PNA's ambulance branch, says staff shortages are the cause of the problem.''
It's almost like asking a 10-player football team to win a game against a 15-player football team and then being critical of them when they come off the field for losing the game'', he said.
''In comparison to other jurisdictions we're falling well behind, for example Scotland have roughly around 4 and a half thousand staff and we have probably around two thousand''.
