15 Air-Purifying Plants for Your Home
Clean your indoor air naturally with these NASA-recommended air-purifying houseplants.
The Science Behind Air Purification
NASA's Clean Air Study found certain plants remove toxins like formaldehyde, benzene, and trichloroethylene from air.
Top Air Purifiers
- Snake Plant - removes formaldehyde
- Spider Plant - removes carbon monoxide
- Peace Lily - removes ammonia
- Boston Fern - removes formaldehyde
- Rubber Plant - removes VOCs
How Many Plants?
Research suggests 2 medium plants per 100 square feet for effective purification.
Tools and supplies for this
Products we'd actually buy for this job. Linking to Amazon — if you buy through these links we earn a small commission at no extra cost to you.
- Weston Mill Pottery Terracotta plant pots, 175mm (pack of 10)
Mid-size workhorse terracotta — perfect step-up for plants outgrowing their nursery pots.
- Weston Mill Pottery Terracotta plant pots, 20cm (pack of 5)
Heavyweight 20cm clay for established plants — the porous walls help prevent the soggy roots aroids hate.
- Whitefurze G04012 7.5cm Garden Pot - Terracotta (Set of 10)
Cheap, cheerful plastic propagation pots — what we actually use for cuttings and small offsets.
- Whitefurze G04013 10cm Garden Pot - Terracotta (Set of 7)
Reliable mid-size nursery pots with proper drainage holes — the boring essential every plant parent runs out of.
Dr. James Chen
Environmental Scientist
Passionate about helping plant parents succeed with expert tips and proven techniques.
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