The Cleaner Air Spaces Act of 2025 aims to improve air quality, particularly during wildland fire smoke events, by providing financial support to air pollution control agencies. The main goal is to establish programs that create clean air spaces and distribute air filtration units to vulnerable households. The act authorizes the Environmental Protection Agency (EPA) to give grants to air pollution control agencies, with a maximum grant amount of $3 million. These agencies must partner with community organizations to implement a cleaner air space program.