10 Houseplants that clean indoor air

• Aloe Vera - Not only can it be used for burns on the skin, it is also known to remove formaldahyde from the air.
• Areca Palm - General air purifier, especially as it grows larger. It's known for being one of the better performers in purifying the air.
• Baby Rubber Plant - These houseplants clean the air by emitting high oxygen content, and purifies indoor air by removing chemicals, such as formaldahyde or other toxins.
• Bamboo Palm - According to NASA, it removes formaldahyde and is also said to act as a natural humidifier.
• Boston Fern - Said to act as a natural air humidifier, removes formaldahyde and is a general air purifier. Said to be among the best in air purifying houseplants.
• Chinese Evergreen - Emits high oxygen content, and purifies indoor air by removing chemicals, such as formaldahyde, benzene or other toxins.
• Mass Cane - Known for removing formaldahyde and known generally as one of the houseplants that clean the air.
• Pygmy Date Palm - Said to remove formaldehyde and xylene (a chemical found in plastics and solvents) from the air.
• Ficus alii - Said to be a great overall air purifier. 
• Gerbera Daisy - NASA says this plant is fantastic at removing benzene, a known cancer-causing chemical. It also absorbs carbon dioxide and gives off oxygen overnight, which is said to improve your sleep!