The percentage of red calls receiving a response within 8 minutes fell in November 2020 and the 65% target was not met for a fourth consecutive month.
Gostyngodd canran y galwadau coch a dderbyniodd ymateb o fewn 8 munud ym mis Tachwedd 2020 ac ni chyrhaeddwyd y targed o 65% am y pedwerydd mis yn olynol.