“Roedd hanner y rheini yr oedd angen arnyn nhw gael ymateb ar frys wedi cael yr ymateb hwnnw mewn llai na phum munud, ac roedd pob ardal yng Nghymru wedi gwella ar ei berfformiad ym mis Ebrill er gwaethaf y cynnydd yn y galwadau.
“Half of those who needed an immediate emergency response received one in less than five minutes, and all areas of Wales improved performance on April despite the increased activity.