About Tongdy Green Building Projects Air Quality Monitors Topics
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National Day Holiday Notice
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Indoor Air Quality
We tend to think of air pollution as a risk faced outside, but the air we breathe indoors can also be polluted. Smoke, vapors, mold, and chemicals used in certain paints, furnishings, and cleaners can all affect indoor air quality and our health. Buildings affect overall well-being because most p...Read more -
What were the historical reasons for the resistance to recognizing airborne transmission during the COVID-19 pandemic?
The question of whether SARS-CoV-2 is mainly transmitted by droplets or aerosols has been highly controversial. We sought to explain this controversy through a historical analysis of transmission research in other diseases. For most of human history, the dominant paradigm was that many diseases w...Read more -
Autumnal Equinox
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20th Anniversary Celebration !
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World Cleanup Day
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5 Asthma and Allergy Tips for a Healthier Home for the Holidays
Holiday decorations make your home fun and festive. But they can also bring in asthma triggers and allergens. How do you deck the halls while keeping a healthy home? Here are five asthma & allergy friendly® tips for a healthier home for the holidays. Wear a mask while dusting off decoration...Read more -
International Day for the Preservation of the Ozone Layer
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Why Indoor Air Quality is Important to Schools
Overview Most people are aware that outdoor air pollution can impact their health, but indoor air pollution can also have significant and harmful health effects. EPA studies of human exposure to air pollutants indicate that indoor levels of pollutants may be two to five times — and occasionally m...Read more -
Happy Mid-Autumn Festival
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Indoor Air Pollution from Cooking
Cooking can contaminate the indoor air with harmful pollutants, but range hoods can effectively remove them. People use a variety of heat sources to cook food, including gas, wood, and electricity. Each of these heat sources can create indoor air pollution during cooking. Natural gas and propane ...Read more -
Reading the Air Quality Index
The Air Quality Index (AQI) is a representation of air pollution concentration levels. It assigns numbers on a scale between 0 and 500 and is used to help determine when air quality is expected to be unhealthy. Based on federal air quality standards, the AQI includes measures for six major air po...Read more