The Irish Blood Transfusion Service says blood supply is short.
The people of the midlands are being encouraged to donate blood.
The Irish Blood Transfusion Service say they have only 5 days worth of supply, where they would need at least 7 to comfortably provide for hospitals.
Today is the final day of pop up blood clinics in county Offaly.
The Birr clinic will be held in Marian Hall from noon until 2.10 and 4 until 7.40pm on today.