How to Grow Fresh Air. Radiation, Fluoride, Pharmaceuticals, Heavy Metals. 15 houseplants for improving indoor air quality. Indoor Air Quality - Improving Indoor Air Quality. You may be surprised to know that even indoor air can be polluted, sometimes more so than outdoor air.
And because many people who have COPD or other chronic health conditions spend a great deal of time indoors, improving indoor air quality is especially important. To help you improve the quality of your indoor air, here are 11 steps designed for those with COPD or other chronic illnesses.