Summaries of the latest indoor air quality (IAQ) and COVID research Research Summaries Mother’s occupational exposure to indoor cleaning agents starting before or around conception and pregnancy was associated with more childhood asthma and wheeze in offspring. Journal of Allergy and Clinical Immunology Using a natural gas stove without...

This newsletter summarizes the latest research related to indoor air quality. Research Summaries Simulation results indicate that, without wearing a face mask, the aerosol particles released from a coughing-infected person can be spread throughout nearly one-quarter of a grocery store in less than...

This newsletter summarizes new research related to indoor air quality (IAQ) Research Summaries Buildings can protect their occupants from outdoor particulate pollution. Protection increases with larger particle sizes (10 μm) compared to smaller (0.1 μm). Atmospheric Environment   In a study of domestic cleaners, the VOC with the greatest...

This newsletter summarizes new research related to indoor air quality (IAQ) Research Summaries When teachers could visualize the carbon dioxide levels in their classrooms, they opened windows and maintained effective air exchanges, which helps prevent COVID-19 transmission. Environmental Research This study evaluates ventilation rate schema...

This newsletter highlights recent research related to indoor air quality (IAQ) and COVID-19. Research Summaries Higher PM2.5 and CO2 concentrations were associated with slower response times and reduced accuracy in office workers. Environmental Research Letters This review study concluded that total spore counts via spore traps are not a...

This newsletter highlights recent research related to indoor air quality (IAQ) and COVID-19. Research Summaries For spaces where cognitive performance is a priority, the environment should be comfortably cool rather than warm or neutral. Indoor Air PM2.5 indoors may impact depression and increasing HVAC filter efficiency showed minor reductions...

This newsletter highlights recent research related to indoor air quality (IAQ) and COVID-19. Research Summaries Portable HEPA air cleaners can complement asthma education programs and be part of an effective overall strategy to reduce asthma triggers in the bedrooms of children with asthma. Indoor Air Emissions from a residence and its...

This newsletter highlights recent research related to indoor air quality (IAQ) and COVID-19. Research Summaries The association between moisture damage in schools and respiratory health could not be consistently explained by individual species of microorganisms. Bacterial markers were more strongly associated with respiratory symptoms than fungal...

This newsletter highlights recent research related to indoor air quality (IAQ) and COVID-19. Research Summaries The negative health effects of under-ventilation cannot be attributed to elevated carbon dioxide alone. Human bio-effluents and other pollutants were shown to play a larger role. Indoor Air During cleaning, home care aides had the...

Research Summaries HEPA air purifier usage in a dormitory led to improved lung function and decreased respiratory inflammation, blood pressure, and systematic oxidative stress. Indoor Air Ultrasonic essential oil diffusers emit large quantities of VOCs and particulate matter. Indoor Air The ability of a common, low-cost PM sensor to accurately...

I have some exciting news to share with our subscribers. Check out our press release below.-Ian Cull, CIH, PE Indoor Sciences has been acquired! AURORA, IL, April 12, 2021— Aftermath Services, the Illinois-headquartered, nationwide leader in the biohazard remediation space, recently acquired Chicago-based Indoor Sciences, nationally recognized...

This newsletter highlights recent research related to indoor air quality (IAQ) and COVID-19.   Research Summaries An air cleaner using bipolar ionization did not significantly remove particles. Building and Environment Swabbing settled dust on door frames, analyzing it via DNA sequencing, and running the results through a model was able to...

This newsletter highlights recent indoor air quality (IAQ) research including updates on COVID-19 research.   Research Summaries There is an urgent need to study the minimum ventilation rates for controlling respiratory infections, which probably differ from rates used for acceptable indoor air quality. Indoor Air Energy retrofitting can...

This newsletter highlights recent indoor air quality (IAQ) research including updates on COVID-19 research. Research Summaries When subjected to high CO2, body odor, and other bioeffluents, those with respiratory allergies performed worse in cognitive tests, reported more respiratory irritation, and had elevated inflammation markers when compared...