Mae Jeremy Miles, y Gweinidog Addysg, wedi cyhoeddi y bydd £3.31 miliwn ar gael i wella dulliau awyru mewn ysgolion, colegau a phrifysgolion yng Nghymru.
£3.31 million will be available to improve ventilation in schools, colleges and universities in Wales, Education Minister Jeremy Miles has announced.