In July 2021, a record high percentage (8.2%) of calls to the ambulance service were recorded as immediately life threatening (red calls) since comparable data was first available in May 2019.
Ym mis Gorffennaf 2021, cofnodwyd y ganran uchaf (8.2%)erioed o alwadau i’r gwasanaethau ambiwlans fel rhai lle mae bywyd yn y fantol (galwadau coch) ers dechrau casglu data cymaradwy ym mis Mai 2019.