Indoor Plants that Purify Air in Living Spaces Picture 2 areca palm indoors | We thought this post would pertain to everyone since most of us live indoors and in major cities where the air quality outdoors has been shown to be cleaner than the air inside of our homes. With all the pollutants and gasses that rarely get to escape, our homes have become havens for walking allergens and toxic chemicals that are surely causing loads of air traffic! In looking for new ways to maintain a pure and healthy air level at home, research by NASA and Associated Landscape Contractors of America (ALCA) have come to enlighten us with a few key plants that will not only survive indoors but give us a daily boost of endless breathable air