› toxic-chemicals-in-air-freshenersToxic Chemicals in Air Fresheners Lead to Indoor Air Pollution Jan 19, 2020 · Article At-A-Glance: Air inside our homes can be more polluted than air outside our homes. Air fresheners are a source of indoor air pollution. Air fresheners emit or cause the formation of numerous substances associated with negative health effects like cancer, neurotoxicity, and effects from endocrine disruption.