Best Indoor Plants for Oxygen: Which Ones Give Oxygen 24 Hours?
Snake plant, aloe, tulsi and orchids release oxygen at night — here is why, how much it actually amounts to, and the 10 highest oxygen producing indoor plants.
This is the corner of the houseplant world with the most repeated claims and the least checking. Each guide gives you the popular claim, what the research actually shows, and the plant recommendations that stand up either way.
4 guides · last reviewed 25 August 2026
Snake plant, aloe, tulsi and orchids release oxygen at night — here is why, how much it actually amounts to, and the 10 highest oxygen producing indoor plants.
The 12 plants from NASA's clean air study, what they actually remove, and the honest arithmetic on how many you would need to change the air in a real room.
The indoor plants that genuinely smell good — flowering, foliage and herb options — with how strong each one is and how much light it needs to produce scent.
Citronella, tulsi, lemongrass and lavender are sold as mosquito plants. Here is what the research shows about repelling mosquitoes indoors — and what actually works.