6 hours 49 mins
5510ppm
2996ppm
Classroom CO2 
We've been monitoring classroom CO2 levels using Airthings indoor air quality sensors over the past 12 months to help St. Joseph's improve their school environment
Read our full review of "classroom CO2 - a year on" to find out more
Particulate Matter
A study of classroom PM1/2.5/10 will start in the autumn 2022 term to monitor levels of airborne particulate matter and to identify solutions to create safer indoor environments for our school children
