What are the best indoor plants that can help purify the air in my home?

The best indoor plants for filtering household air include resilient favorites like the Snake Plant, Spider Plant , and Peace Lily , which help remove common toxins. While a famous 1989 NASA study noted that plants can scrub volatile organic compounds (VOCs) from sealed chambers, recent environmental research shows you would need a small jungle of plants to rival a mechanical air purifier in an open home. Still, they add humidity, boost moods, and offer natural beauty.[co2meter.com](https://www.co2meter.com/blogs/news/nasa-compiles-list-of-best-plants-to-clean-indoor-air?srsltid=AU7gw4UdGjOSQGJKKt0qFf_UI_KnOv8sxnYPVPKRgDXOqXb7B3rLINtG)

Top Air-Filtering Indoor Plants

• Snake Plant (Sansevieria trifasciata ): Known for surviving neglect and low light, it converts carbon dioxide into oxygen at night, making it a great bedroom addition.
• Spider Plant (Chlorophytum comosum ): Safe for curious pets and fast at producing small "pups," this plant handles indirect light and irregular watering with ease.[co2meter.com](https://www.co2meter.com/blogs/news/nasa-compiles-list-of-best-plants-to-clean-indoor-air?srsltid=AU7gw4UdGjOSQGJKKt0qFf_UI_KnOv8sxnYPVPKRgDXOqXb7B3rLINtG)
• Peace Lily (Spathiphyllum ): Features glossy leaves and lovely white blooms; it thrives in lower light but prefers consistently damp soil.[co2meter.com](https://www.co2meter.com/blogs/news/nasa-compiles-list-of-best-plants-to-clean-indoor-air?srsltid=AU7gw4UdGjOSQGJKKt0qFf_UI_KnOv8sxnYPVPKRgDXOqXb7B3rLINtG)
• Golden Pothos (Epipremnum aureum ): A trailing vine that grows rapidly in almost any indoor corner and handles low-to-bright indirect lighting.[co2meter.com](https://www.co2meter.com/blogs/news/nasa-compiles-list-of-best-plants-to-clean-indoor-air?srsltid=AU7gw4UdGjOSQGJKKt0qFf_UI_KnOv8sxnYPVPKRgDXOqXb7B3rLINtG)[2](https://www.co2meter.com/blogs/news/nasa-compiles-list-of-best-plants-to-clean-indoor-air)

If you want to shop for these options, you can look into bundles like the Home Depot Pothos Variety Pack or tell me if you have pets or low-light rooms so I can narrow down a safe choice for your space.

Good choices include snake plant, pothos, spider plant, peace lily, and Boston fern—they’ve shown pollutant-removal ability in laboratory studies.NASA Technical Reports Server+1

However, houseplants don’t significantly purify air in a normal home; ventilation and a HEPA air purifier are much more effective.PubMed+1

• 🌿 Snake plant — very low maintenance
• 🌱 Pothos — easy, fast-growing
• 🕷️ Spider plant — beginner-friendly
• 🌸 Peace lily — attractive, likes indirect light
• 🌿 Boston fern — prefers higher humidity

For pets, check toxicity before choosing, especially peace lilies.

If you want houseplants that may help with indoor air quality, these are good choices—but there’s an important caveat: the famous NASA studies showed pollutant removal mainly in small, sealed experimental chambers. A later review found that ordinary potted plants have a much smaller effect in typical homes than ventilation or mechanical air filtration.PubMed+1

Good choices

• Spider plant — Easy to grow, tolerates a range of light conditions, and was among the plants studied for removing formaldehyde.NASA Technical Reports Server
• Pothos (devil’s ivy) — Very adaptable and was included in NASA-related testing of formaldehyde removal.NASA Spinoff+1
• Snake plant — Hardy and tolerant of relatively low light; commonly used as an indoor foliage plant.
• Peace lily — Attractive and shade-tolerant, and NASA research examined its ability to remove certain VOCs.
• Philodendron — Particularly notable in NASA testing for formaldehyde removal under experimental conditions.NASA Technical Reports Server
• Bamboo palm — One of the plants tested in NASA's research on household pollutants.NASA Spinoff
• Aloe vera — NASA testing found substantial formaldehyde removal under controlled conditions.NASA Technical Reports Server

The practical takeaway

Think of plants as a nice supplement, not an air purifier. For meaningful reduction of indoor pollutants, prioritize:

1. Ventilation/fresh outdoor air when conditions permit.
2. Source control—reducing smoke, fragrances, solvents, and other pollutant sources.
3. A properly sized HEPA/activated-carbon air purifier when filtration is needed.
4. Houseplants for greenery, humidity benefits, and potentially a small additional contribution to air quality.PubMed+1

If you tell me your light level (low/medium/bright) and whether you have cats or dogs, I can narrow this to 3–5 plants that fit your home.

The Snake Plant, Spider Plant, Peace Lily, Pothos , and Dracaena are among the best indoor plants for helping purify household air by filtering out common toxins like formaldehyde, benzene, and xylene.

Top Air-Purifying Indoor Plants

---

---

---

---

---

If you'd like, let me know:

• Do you have pets (cats or dogs) that might chew on the plants?
• How much natural light does the room get?

I can narrow down the list to the safest and best-suited options for your specific space.

Many popular houseplants were highlighted in the landmark NASA Clean Air Study for their ability to filter common volatile organic compounds (VOCs) like formaldehyde, benzene, and trichloroethylene.

• Snake Plant (Sansevieria / Dracaena trifasciata ): Extremely hardy and low-maintenance, it converts carbon dioxide into oxygen at night, making it a great bedroom companion. It thrives in indirect light and requires minimal watering.
• Peace Lily (Spathiphyllum ): Known for its elegant white blooms and glossy leaves, it excels at removing indoor toxins like benzene, formaldehyde, and ammonia. It prefers damp soil and low-to-medium indirect light.
• Spider Plant (Chlorophytum comosum ): Safe for pets and very easy to propagate, spider plants are effective at tackling carbon monoxide and xylene. They love bright, indirect light and evenly moist soil.
• Rubber Plant (Ficus elastica ): Featuring large, waxy leaves that provide a large surface area for gas exchange, rubber trees are efficient at drawing out formaldehyde. They enjoy bright, indirect light and occasional wipe-downs of their leaves.
• Boston Fern (Nephrolepis exaltata ): A fantastic natural humidifier that actively removes pollutants like formaldehyde and xylene. They prefer cooler spots with high humidity and indirect light.

Plant Care Experiences

Users often share that choosing low-maintenance varieties makes sticking to a plant routine much easier:

Pothos for sure! They clean the air and easy to maintain. Check out the NASA air quality study for other air cleaning plants!

Dracaena 'Janet Craig' is a NASA-studied air-purifying plant with lush dark green foliage that thrives in low light with minimal care.

If you'd like to narrow down the best choice, tell me:

• Do you have pets or small children in the home (some plants are toxic if ingested)?
• How much natural light does the room get?

Absolutely. A few houseplants have been studied for their ability to remove certain volatile organic compounds (VOCs) from indoor air. The classic NASA research found effects in sealed chambers, although later research shows that plants have a much smaller air-cleaning effect in a normal home than marketing claims suggest.NASA Technical Reports Server+1

🌿 Best choices

• Snake plant — Very easy to care for, tolerates low light and infrequent watering. One of the best all-around choices.
• Spider plant — Excellent beginner plant and one of the better-studied species for removing pollutants such as formaldehyde.NASA Technical Reports Server
• Pothos — Fast-growing, attractive and tolerant of a wide range of indoor conditions. It was among the plants studied for VOC removal.UA Cooperative Extension
• Peace lily — Effective against several VOCs in laboratory studies and attractive when flowering. Important: it's toxic if eaten by cats and dogs.UA Cooperative Extension+1
• English ivy — Another NASA-tested plant with VOC-removal activity, though it needs brighter light and can be invasive outdoors.UA Cooperative Extension
• Areca/bamboo palm — A larger option that can also add humidity to a room.UA Cooperative Extension
• Dracaena — Several varieties, including Janet Craig and red-edged dracaena, were included among plants investigated for indoor-air improvement.UA Cooperative Extension

🏆 My picks by situation

One important caveat: don't rely on houseplants as your primary air purifier. In a typical home, ventilation, controlling pollution sources, and a good HEPA air purifier are considerably more effective for improving indoor air quality than a handful of plants.nih.gov+1

If you have cats or dogs, I'd particularly recommend spider plants and can give you a list of the best pet-safe air-cleaning plants.