Mayo is the only county in Connacht with a 14-day incidence rate of coronavirus at less than 100 per 100,000 people - and currently has the fourth lowest incidence rate nationally.
Latest HSE figures show 11 additional cases of the virus were confirmed in Mayo yesterday, and 101 new cases over the past two weeks.
Mayo's incidence rate per 100,000 population is now at 77.4.
This compares to a 14-day incidence rate in Roscommon of just less than 200, with 175 in Sligo, 155 in Galway and 124 per 100,000 in Leitrim.
Cavan now has the highest incidence rate in the country at 385, followed by Donegal and Monaghan.
Roscommon's 14-day rate is now the 5th highest in the country.