The risk of Covid 19 infections depends highly on the characteristics of the indoor air, especially the rate of ventilation and the temperature and humidity inside...
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CO2 Traffic Light to Reduce Covid-19 Transmission Risk
The WHO and leading health authorities agree that increased ventilation is a critical factor in reducing COVID-19 transmission in schools. Carbon Dioxide (CO2) level monitoring is...
Continue reading...The AirGradient DIY Sensor
Since AirGradient was born out of a parent’s project wanting to improve the air quality in their children’s school, supporting awareness and education around the topic...
Continue reading...Air Purifier vs. Positive Pressure Fresh Air System – an unfair Battle?
We have made a comparison test between a positive pressure fresh air system (PPS) and a standalone purifier on the effectiveness of bringing the ambient PM...
Continue reading...Air Quality at Schools – A Holistic Approach
Air pollution is a prevalent issue that has severely impacted the health and wellbeing of schools in certain regions around the world. Although most people are...
Continue reading...We Measured the CO2 Level in a Classroom. This is What We Found Out.
In the city of Chiang Mai in Northern Thailand, many adults and children alike suffer from the air pollution caused by the annual smoke season. From...
Continue reading...Air Quality – Selected Resources
Here is a list of links to resources that we recommend to learn more about air quality in general and also in regards to schools. Interesting...
Continue reading...Classroom and indoor CO2 Standards compared – A Look around the World.
Unlike with PM 2.5 where there are already quite established global standards, the standards and guidelines around CO2 are less known and well worth a more...
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