Open air

Open air, open-air or openair may refer to:

• Open Air, a BBC television program
• Open-air cinema or outdoor cinema
• Open-air concert, a concert taking place outside
• Open-air museum, a distinct type of museum exhibiting its collections out-of-doors
• Open-air preaching, the act of publicly proclaiming a religious message
• Open-air treatment, therapeutic exposure to fresh air and sunshine
• Open air school, an outdoor school designed to combat the spread of disease
• OpenAIR, a message routing and communication protocol for artificial intelligence systems
• Openair Cinemas, an Australasian brand of outdoor cinema events, owned by Pedestrian (company)