How Viruses Stay Airborne and How to Reduce Exposure>>>
By INDEX Editorial Team | Based on peer-reviewed research -
Potentially Harmful Surface Soils and Related Exposures Impacted by Better Cleaning>>>
By INDEX Editorial Team | Based on peer-reviewed research - When people think about indoor environmental health, they often think first about air. That makes sense. Air quality matters. But many exposures do not stay neatly suspended in the air…
How Measurement of Surface Bioload via ATP Sampling Can Serve as a Proxy for Other Contaminants and Germ Potential>>>
By INDEX Editorial Team | Based on peer-reviewed research - When a surface looks clean, is it actually clean enough to reduce hygiene risk? That question matters in homes, schools, healthcare facilities, offices, and commercial facilities. It also matters for…
Choosing a Reliable CO2 Monitor>>>
By INDEX Editorial Team | Based on peer-reviewed research - If you have ever opened a bedroom door in the morning and felt the air seemed stale, or noticed a conference room gets stuffy long before a meeting ends, a…
Determining IAQ in Hotel Rooms Through Portable Scientific Measurement Devices>>>
By INDEX Editorial Team | Based on peer-reviewed research - A practical, science-first framework for travelers, facility teams, and health-conscious professionals who want better information—not guesswork—about hotel room air. When people talk about a “clean” hotel room, they usually mean…
Vaping and Indoor Air Quality>>>
By INDEX Editorial Team | Based on peer-reviewed research - If someone in your home, workplace, or building vapes indoors, a reasonable question follows: does it affect indoor air quality in a meaningful way? The short answer is yes. The…
IAQ Byproducts of Electronic Air Purifiers Using UV Light, Ionizers, or PCO Technology>>>
By INDEX Editorial Team | Based on peer-reviewed research - Some air-cleaning devices may reduce certain pollutants while creating others. Here’s how to evaluate the tradeoffs using a science-first, criteria-based approach. If you are shopping for an air purifier because…
Systematic Cloth Folding Impacts Sanitary Results>>>
This video details a scientific study comparing cleaning techniques to determine how systematic cloth folding impacts sanitary results. By measuring organic residue with ATP meters, researchers discovered that traditional "wadding" or bunching a towel causes it to rapidly lose effectiveness,…
Ventilation & Tight Buildings>>>
By INDEX Editorial Team | Based on peer-reviewed research ─ If your home or building is newer, recently weatherized, or noticeably better sealed than older structures, you may have heard two competing messages: “A tight building is more efficient and…