be on air

US /bi ɑn eər/
UK /bi ɑn eər/
"be on air" picture
1.

estar no ar, ser transmitido

to be broadcast on radio or television

:
The show will be on air live at 8 PM.
O programa estará no ar ao vivo às 20h.
The news report is about to be on air.
O noticiário está prestes a entrar no ar.