In March 2020, there were 37,568 emergency calls to the ambulance service of these 2,620 were classed as the most serious (red) calls.
Ym mis Gorffennaf 2020, gwnaethpwyd 37,427 o alwadau brys i'r gwasanaeth ambiwlans ac ar gyfartaledd roedd 1,207 o alwadau bob dydd.