When smoke, viruses, or other airborne pollutants affect indoor air, improving air filtration is an important strategy for protecting your health. The U.S. Environmental Protection Agency (EPA) launched a new Do-It-Yourself (DIY) Air Cleaners webpage to help individuals, households, schools, and communities improve indoor air quality when commercial air cleaners are unavailable or unaffordable. This webpage provides clear, practical guidance on when to consider using a DIY air cleaner, how to build one, and how to use it effectively, especially during emergencies such as wildfire smoke events.
