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What effect does indoor air filtration have on concentrations of pollutants during combustion-derived air pollution episodes and what is the effect on human health endpoints?
Rapid Review
Completed
2025-06-05
2025-04-23
National Collaborating Centre for Environmental Health & National Collaborating Centre for Methods and Tools
Dr. Sarah Neil-Sztramko
Adolescents, Adults, Environmental Health, Grade School Aged, Infants, Older Adults, Preschool Aged
Huff, R.D., Traynor, R.L., Camargo, K., Leung, T., Okeeffe, J., Tutt, E., Wiens, M., Henderson, S.B., Dobbins, M., Neil-Sztramko, S.E. (2025, January 31). Rapid Review: What effect does indoor air filtration and air cleaning have on concentrations of pollutants and human health endpoints during combustion-derived air pollution episodes? https://ncceh.ca/resources/evidence-reviews/indoor-air-filtration-during-wildfires-impacts-air-quality-and-health
Population: General population exposed in residential environments (both indoor and outdoor), clean air spaces, public/institutional buildings (e.g., schools, daycares, malls, libraries, community centres, healthcare centres, long-term care centres, etc.), vehicles
Intervention: Portable air cleaners (including DIY air cleaners); air or in-duct filtration; car filters/other vehicles’ filters (during fire event); or ionizers, plasma, ozone generators, etc.; During combustion-derived air pollution episodes that may be caused by fire (wildland, coal mine fires, peat fires, interface fires, landscape fires, agricultural fires, prescribed burns, industrial fires, landfill fires, tire fires, any multi-day structural fires (e.g., 9/11), and residential wood combustion (i.e., wood stoves), including studies that use source attribution methods)
Comparison: Prior to use of air filtration or air cleaning; or spaces not using air filtration or air cleaning
Outcome: Indoor/outdoor ratio of concentration of non-particulate matter (PM) or PM pollutants; and or concentration of non-PM pollutants; Any direct or indirect, acute or long-term health outcomes; use of emergency services, emergency room visits, or hospitalizations; or cellular-level outcomes* (e.g., inflammation markers, oxidative stress)