Negative air ions (NAI) experimental design and set-up in situ (Image: Luowen Lyu ) Interior PlantscapingLandscape Plants that purify 10/12/2025 Dr Peter Irga 987 Views 0 Comments How indoor greenery generates negative air ions By Dr Peter Irga Did you know that the air in your home Please Subscribe to Hort Journal Australia to view this page, or if you're already subscribed, please login below. Login