In January 2022, the proportion of all calls that were immediately life-threatening (red calls) was 9.2%, down from 9.9% in December 2021.
Ym mis Ionawr 2022, 9.2% oedd cyfran yr holl alwadau lle'r oedd bywyd yn y fantol (galwadau coch), sef i lawr o 9.9% ym mis Rhagfyr 2021.