Microbiology of the Built Environment
Author: Margareta Bali “Every breath you take, every move you make, every bond you break, every step you take, microorganisms will be watching you.” As you already probably know, microorganisms are literally everywhere – in the air, water and soil, and also in our built environment, which comprises houses, offices and vehicles, among others. But (…)
Indoor Air Quality in Spacecraft Cabins
Author: Fabio Appavou It is well known that the indoor air quality of buildings is extremely important as about 90% of our daily time is spent indoors [1]. It is also well known that indoor air can be 2 to 5 times more polluted than outdoor air, thus leading to compromise the health of the (…)
Air Humidity and Indoor Air Quality
Author: Dupart Louis As an introduction let’s take a look at a commonly used design tool: the Psychometric chart I know it looks really complicated and we are not gonna explain everything about this graph. I’m using it to show two main points: You can clearly see that there is a given comfort zone in (…)
Are candles toxic to indoor air quality?
Author: Helen Vera Krarup More information is known about pollutants in outdoor air than in indoor air, although we spend about 90% of our time in public or private indoor environments. There are various sources of indoor air pollution, to name a few, such as emissions from building materials and furniture, electric equipment, heating or (…)
IoT Sensing of Indoor Air Quality – Is This a Future?
Author: Seoyeon Yun What is IoT sensing technology and how can it be applied to monitoring indoor air quality? Why is it important to monitor indoor air quality? What are the benefits of IoT sensing technology? What are the other related topics of IoT sensing? Are there some available commercial products in the market? How (…)
Impact of Indoor Air quality on Human Productivity
Author: Xiaoli Li Background It is widely recognized that there is a significant relation between indoor air quality and human productivity. Workers exposed to poor air quality may get tired easily, find it difficult to concentrate or even get sick, resulting in less productivity and thus probably remarkable financial loss for employers since staff costs (…)
Emerging HVAC Filtration and Air Cleaning Technologies
Author: Pablo Santolaya Air pollution is one of the ten biggest global health threats as stated by the World Health Organization (WHO) due to it’s devastating toll of nearly 7 million death every year as consequence of related illnesses, be for people with preexisting conditions such as allergies or healthy ones [1]. This is mostly (…)
Humans As Sources Of Indoor Particles And Gases
Author: Íñigo Bandeira Eguiraun Breathing is a main need for a person to live. In average, we inhale 11.000 litres of air per day1. Bad air quality is a risk for humans. According to the World Health Organization the number of deaths caused by a bad air quality in 2017 reached 4,2 million people2. The (…)
Ventilation strategies to reduce transmission of airborne diseases
Author: Julie Gros We spend the majority of our time inside buildings (approximately 87% of our lifetime indoors according to researches [1] ) and ventilation is closely related to the quality and dynamics of air within buildings, which necessarily influences transmission of airborne diseases. Therefore, it is interesting to explore if certain ventilation strategies tend (…)
Impact of Personal Care Products on Human Exposure
Author: Serra Yildirim Do you choose your deodorant or shampoo according to its smell? Does the smell of the cosmetics persuade you to buy them? Do you enjoy a nicely smelling bath after a long day? Most people would say yes to these questions. But do we know the ugly truth behind these nice (…)