COVID is Airborne. Is Your Classroom Ventilation Adequate?

Use *OHCOW's Ventilation Calculator to find out. This Excel-based tool can assist you in determining the adequacy of the ventilation in your classroom.

Watch the video, download the tool and follow the step-by-step instructions at

Once the ventilation rate in your classroom is determined you can even print a sign for posting on your door!

See also the Clear the Air and other related infographics at

*Occupational Health Clinics for Ontario Workers (OHCOW)

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