Pa ystyriaeth y mae Llywodraeth Cymru wedi'i rhoi i'w gwneud yn ofynnol bod offer monitro ansawdd aer yn cael ei osod yn adeiladau'r holl ysgolion sy'n derbyn cyllid Ysgolion yr 21ain Ganrif?
Wedi'i ateb gan Ysgrifennydd y Cabinet dros Addysg | Wedi'i ateb ar 05/06/2018
Ventilation provision in schools should be made in accordance with the guidance in Building Bulletin 101, Ventilation of School Buildings and the Education (School Premises) Regulations.
The 21st Century Schools and Education Programme is delivered in partnership with local authorities, who may choose to install air quality monitoring equipment if they consider it appropriate.