The COVID-19 pandemic led to increases in the levels of staff sickness in the ambulance service at various points since March 2020, which may have also impacted on performance against the target.
Mae pandemig COVID-19 wedi arwain at gynnydd mewn lefelau salwch ymysg staff y gwasanaeth ambiwlans ar adegau amrywiol ers mis Mawrth 2020, a allai hefyd effeithio ar berfformiad yn erbyn y targed.