Dec 18, 2025 | Michael Jestadt
Best Indoor Plants for Air Quality
Studies show that air pollution is not limited to the outdoors of cities and industrial areas. Also, the Environmental Protection Agency says that indoor air can be more polluted than outdoor air. Poor indoor air quality can cause health issues, as we spend most of our time indoors. When family is indoors, they breathe dust particles, pollen spores, mold, and harmful gases like VOCs, which are emitted from plastics, paint, carpet, and even from common everyday activities like cooking. Luckily, there are many ways you can improve indoor air quality. Some can be simple, while others can be advanced, like installing air purifiers. Out of these options, one simple yet affordable option is adding houseplants to your home. In this article, we will explore the best indoor plants for improving air quality and tips for caring for them.
The Impact of Indoor and Outdoor Air Quality on Health:
Indoor and outdoor air pollution highly affects your health. Indoor air containing dust, pollen, mold spores, and other compounds can cause respiratory issues. Over time, if you are exposed to polluted indoor air, it can lead to serious health concerns like lung cancer or cardiovascular disease. Pollutants such as particulate matter and nitrogen dioxide can slowly damage the respiratory system, leading to frequent hospital visits.
Also, recent studies show that air pollution also affects pregnancy, which leads to poor birth outcomes like low birth weight. Children who are exposed to air pollution are at risk of developmental disorders. Consider these complications and maintain good air quality in and around your home to keep your health on track. Indoor plants can help improve the air quality in your home.
Best Indoor Air Pollution Control Plants
Below, we have mentioned some of the most preferred indoor plants for air pollution control while maintaining your home’s beauty. We will explore each plant in detail:
1. Spider Plant
The spider plant is known for its ability to remove carbon monoxide. NASA mentions that spider plants can filter about 90% of toxins from the air. Spider plants need some bright indirect light and regular watering. Slowly, they produce spiderettes, which can be replanted.
Best places for the plant
- Kitchens
- Bathrooms
2. Snake Plant (Mother-in-Law’s Tongue)
Also called Mother-in-Law tongue due to its physical characteristics. Snake plants help to remove benzene, formaldehyde, and trichloroethylene from the air. Like any other plant, it releases oxygen at night, making the environment more comfortable and cozy. So, most people prefer to place it in the bedrooms. They are easy to maintain. They didn’t add more water or light. Remember to water the plant when the soil is too dry.
Best place for the plant:
- Bedrooms
- Home offices
- Living rooms
3. Peace Lily
The name of the plant comes from the beautiful white flowers it produces. Peace lilies improve indoor air quality by removing toxins such as ammonia, trichloroethylene, and formaldehyde. Peace lilies are easy to maintain. You can put them in shady areas and water them whenever they droop.
Best places for the plant:
- Bathrooms
- Shaded corners
- Laundry rooms
4. Boston Fern
Boston fern is a luscious plant known as a humidity hero. Well known for removing formaldehyde in the air. They add moisture to homes with a dry indoor environment. Place the plants in areas with indirect light and keep the soil moist.
Best places for the plant:
- Bathrooms
- Living rooms
- Rooms that have HVAC systems
5. Aloe Vera
Aloe vera is a commonly observed plant in many households. Though most of us aren’t aware of its air-purifying properties, we grow it for its medicinal properties. It’s like having a natural first aid kit in our home. It removes benzene and formaldehyde from the air, and the gel inside the leaves can be used for burns and other skin issues. Aloevera needs more sunlight and less water. Overwatering can weaken the plant.
Best Places for the plant:
- Kitchen
- Sunny bedrooms
- Near windows
6. Rubber Plant
Rubber plants remove toxic gases such as formaldehyde, carbon monoxide, and trichloroethylene. They have glossy, large leaves that trap many air pollutants. They are happy with bright, indirect light and moderate watering. When leaves are dusty, wipe them with a damp cloth.
Best places for the plant:
- Entryways
- Living rooms
- Home offices
7. Areca Palm
The Areca palm removes xylene and toluene from the air. These compounds are commonly found in paints, nail polishes, paint thinners, and adhesives. Also, it adds moisture to the dry air, about 1 litre per day. Areca palms need bright indirect light. Water regularly and use liquid fertilizer for better growth.
Best places for the plant:
- Living rooms
- Corners
- Window areas with bright indirect lighting
8. Bamboo Palm
Bamboo plants are pet-friendly plants that make your home safe for pets. It removes benzene, formaldehyde, and trichloroethylene from the air. They need bright indirect light and moisture. Water the plant when the topsoil looks dry.
Best places for the plant:
- Living rooms
- Home offices
9. Chrysanthemum (Potted Mums)
Chrysanthemums are commonly grown flowering plants in households. They remove ammonia, benzene, xylene, and formaldehyde produced by cleaning products and fertilizers. Place the plants in areas with bright, direct sunlight. Regularly water the plants.
Best places for the plant:
- Near the store rooms
- Laundry rooms
- Kitchens where frequent cleaning happens
Do Plants Work Better Than Air Purifiers?
This is the most common question that everyone has. Let us be clear: plants and air purifiers contribute to air purification. But they work differently and have their own pros and cons. They are elaborated below:
Pros of Using Plants
- Natural Air Purification
- Aesthetic appeal
- Psychological Benefits
- Humidity Regulation
- Sustainability
- Cost-effective
Cons of Using Plants
- Limited Pollutant Removal
- Less Efficiency
- Regular maintenance
Pros of Using an Air Purifier
- Highly efficient
- Removes pollutants
- Absorbs foul smells and chemicals
- Quick Action
Cons of Using an Air Purifier
- Consumes electricity
- Filter replacement
- Some air purifiers can be noisy
Combined Approach of Using Indoor Plants and Air Purifiers
Using both plants and air purifiers can be an effective approach. Using plants can provide air purification, humidity, and beauty in your home, while air purifiers remove dust, pollutants, allergens, and VOCs.
Other Ways to Improve Your Indoor Air
HVAC filters
Change the air filter in your HVAC system regularly to avoid breathing dirty air and costly repairs. It is better to replace it every 3-6 months, depending on the environment and the air filter’s condition. A clean air filter ensures proper airflow into the HVAC system and traps dust and other pollutants.
Air Ducts
Ensure your home’s ductwork is free of dust. Over time, ducts can accumulate dust, mold, and dander, which can reduce the indoor air quality. If you notice this, it’s better to hire an HVAC professional to clean your ducts.
Cooking Vents
While cooking, ensure the cooking vents are on or open your windows to vent the harmful toxins.
Vacuum Regularly
Vacuuming your rugs or carpets is important for maintaining indoor air quality. These capture dust and other particles, which can affect your respiratory health. Use a vacuum cleaner with a HEPA filter for better results.
Conclusion
From the above write-up, it is clear that indoor pollution is more dangerous than outdoor pollution. By adding the given plants to your home, along with air purifiers, you can improve air quality and your home’s health. We at Smart Heating and Air Conditioning understand the importance of air quality, and you can depend on us for clean-air solutions, such as ductwork and zoning, to maintain your indoor comfort. We also handle your HVAC system repairs and maintenance to ensure you live in a comfortable, cleaner environment. Contact us today for a free quote.
