825 cases were confirmed yesterday evening, including 147 in Cork.
The national 14 day incidence rate is now 167 per 100 thousand people.
Chief medical officer Tony Holohan says level 3 has had some impact in Dublin, where it's been in place for four weeks.
However, he says cases are beginning to grow in the capital again:
The country's top health officials are considering whether masks should be used outdoors.
Deputy chief medical officer Dr Ronan Glynn says it's something NPHET is weighing up: