Can UV light clean indoor air to reduce the spread of Covid?

Some wavelengths of light in a range called far-UVC kill microbes in experiments and appear to be harmless to people. Could they be used to make indoor spaces safer against the coronavirus?

COVID-19 Decontamination: How to Harness UV-C Light to Disinfect Facilities - Facilities Management Insights

Improving indoor air quality to prevent COVID-19

We Need to Improve Indoor Air Quality: Here's How and Why

Do UV lights kill COVID-19 in air conditioning systems?

Could An Old Tool, UV Light, Help Kill Airborne Coronavirus? : Shots - Health News : NPR

UV Light Disinfection Effectiveness, Safety, and Lamp Types - LightSources

Frontiers Exploring the Applicability of Robot-Assisted UV Disinfection in Radiology

Are UV air purifiers worth it?

Unwanted Indoor Air Quality Effects from Using Ultraviolet C Lamps for Disinfection

Upper-Room Ultraviolet Germicidal Irradiation (UVGI)

Could a New Ultraviolet Technology Fight the Spread of Coronavirus?

How to Keep the Coronavirus at Bay Indoors - The New York Times