How much shared air is this?

Describe an activity. You get a 0–10 exposure score for the setting itself, then scaled by how much COVID, influenza A and RSV are actually circulating in your area right now.

LocationZIP code, or City, ST
Setting
VentilationACH = air changes per hour
Duration60 min
How many people
Movement
Voice level
Your mask
Base exposure score
Moderate
3.8

Comparable to a typical grocery store trip or a short bus ride.

Add a location to scale this by current local disease activity.