Indoor Air Pollutant Sources Indoor AirAboutNews Indoor PollutantsIndoor Pollutant SourcesAir Cleaner Information for ConsumersAir Cleaner Information for ManufacturersAir Cleaner Regulation (AB 2276)Certified Air Cleaning DevicesFact Sheets & ResourcesIndoor NO2 Guidelines Update Subscribe Settlement Date January 2021 Contact Indoor Air Quality Group Email aircleaners@arb.ca.gov Phone (916) 445-0753 The following can create indoor air pollutants:BurningCombustionCookingNatural gas combustionWood combustion