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  2. Indoor Air Quality (IAQ)
  3. IAQ Science and Technologies

Indoor Air Quality Science Webinar Series

This webinar series, hosted by EPA’s Indoor Environments Division on EPA's YouTube channel, features presentations on a variety of scientific and technical issues related to indoor air quality delivered by widely recognized experts. This page lists recordings of past webinars. Check the IAQ Webinars, Meeting and Resources page for announcements about upcoming webinars.


On this page:

  • Air Cleaners
  • COVID-19
  • Flood Cleanup
  • Indoor Chemistry
  • Indoor Particulate Matter
  • Moisture Control
  • Radon
  • Ventilation
  • Wildfires
  • The View Indoors - IAQ Tips

Air Cleaners

EPA’s Research and Regulation of Pesticidal Air Treatment Devices 
presented by Katherine Ratliff, Ph.D., and Aline Heffernan. (September 6, 2023)


 

Health Benefits vs. Disbenefits from Indoor Air Cleaners 
presented by Jose-Luis Jimenez, Ph.D. (August 2, 2023)


Formation of Secondary Byproducts from an Electronic Air Cleaner 
presented by Sally Ng (September 2021)


Navigating the Landscape of Air Cleaning Technologies for COVID-19 
(June 2021)


The Technical Details: EPA Guidance for Residential Air Cleaners 
presented by Terry Brennan and Lew Harriman (March 21, 2019)


Dealing with Dust in the Wind: EPA Guidance for Consumers About Air Cleaners 
presented by Terry Brennan and Lew Harriman (February 21, 2019)


COVID-19

SARS-CoV-2 in Indoor Air: Principles and Scenarios
presented by Dr. Linsey Marr and Dr. Richard Corsi (July 16, 2020)


Flood Cleanup

Flood Cleanup 
presented by Gene Cole (July 16, 2018)

Flood-Damaged Homes: Approaches to Effective Decontamination, Cleaning and Drying 
presented by Gene Cole (April 18, 2019)


Indoor Chemistry

Why Indoor Chemistry Matters: Findings from a National Academies Consensus Study 
presented by Dr. David C. Dorman (July 2022)

Investigating Indoor Chemistry 
presented by Dr. Ray Wells (October 13, 2020)

Antimicrobials and Microbes Indoors: How to Best Promote Indoor Environmental Quality 
presented by Dr. Erica Hartmann (August 11, 2020)

The Human Forest: Volatile Chemical Products Contribute to Urban Air Pollution 
presented by Dr. Matthew Coggon (February 5, 2020)

The Influence of Clothing and Other Textiles on Your Exposure to Indoor Air Pollutants 
presented by Dr. Glenn Morrison (November 14, 2019)


Indoor Particulate Matter

Health Risks of Indoor Exposure to Fine Particulate Matter and Practical Mitigation Solutions 
presented by Dr. Richard Corsi and Dr. Meredith McCormack (April 4, 2024)

Insights from the Indoor Exposure to Fine Particulate Matter and Practical Mitigation Approaches Workshop Webinar  
presented by Dr. Richard Corsi (January 26, 2022)

Estimating the Mortality Burden of Fine Particulate Matter Exposure Attributable to Indoor and Outdoor Microenvironments 
presented by Dr. Brent Stephens and Dr. Parham Azimi (June 13, 2019)

Particle Resuspension Dynamics in Infant Near-Floor Microenvironments 
presented by Dr. Brandon Boor (November 5, 2018)

Health Risks of Indoor Exposure to Particulate Matter – Summary of a National Academies Workshop and Communicating the Health Risks of Indoor Exposure to Particulate Matter – Challenges and Opportunities 
presented by Dr. David Butler, Dr. Guru Madhavan, and Dr. George Gray (January 31, 2018)


Moisture Control

The Impact of Relative Humidity on Indoor Chemistry and Microbiology 
presented by Dr. Karen Dannemiller (November 18, 2020)

Six Easy Pieces: EPA Guidance for Moisture Control in Buildings 
presented by Terry Brennan and Lew Harriman (April 26, 2018)


Radon

An Introduction to Radon Gas in Homes
presented by Bruce Snead (February 8, 2022)

  • Evaluating the Health Risks of Radon: Fundamentals and New Scientific Insights 
    presented by Dr. Bill Field and Dr. Brian J. Smith (March 16, 2021)

Ventilation

Using CO2 Monitoring to Manage Ventilation in Buildings 
presented by Dr. Andrew Persily (November 17, 2021)

Measured Influence of Overhead HVAC on Exposure to Airborne Contaminants from Simulated Speaking in a Meeting and a Classroom 
presented by Dr. Haoran Zhao (October 20, 2021)

Do Residential Ventilation Rates Affect Respiratory Health? 
presented by Dr. William Fisk (October 11, 2018)


Wildfires

An Introduction to ASHRAE Guideline 44: Protecting Building Occupants from Smoke During Wildfire and Prescribed Burn Events
presented by Greg Nilsson, Sarah Henderson, Abdel Darwich, Mike Gallagher and Randy Cooper (February 25, 2025)


The View Indoors - IAQ Tips

See our publications regarding cleaning and Indoor Air Quality

  • A View Indoors: Three Steps to Clean Your Way to Healthier Indoor Air (pdf) (239.21 KB)
  • If It Smells Good (pdf) (151.52 KB)

Indoor Air Quality (IAQ)

  • Learn about Indoor Air Quality
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Contact Us about Indoor Air Quality
Contact Us about Indoor Air Quality to ask a question, provide feedback, or report a problem.
Last updated on February 18, 2026
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