Tools

The articles and tools below can help you to estimate and reduce the risk of aerosol transmission in various types of settings and situations (at home, in schools, offices etc).

• FAQs on Protecting Yourself from Covid-19 Aerosol Transmission
• Aerosol Transmission Estimator: Calculates COVID-19 infection risk for a number of basic situations: college classrooms, choirs, taking a bus, being outdoors, participating in demonstrations.
• COVID-19 Indoor Safety Calculator App: Calculates indoor transmission risk for various settings.
• Harvard-CU Boulder Portable Air Cleaner Calculator for Schools.v1.2
• The SAFEAIRSPACES COVID-19 Aerosol Relative Risk Estimator 
• Wall Street Journal, Public-Health Experts Are Rewriting Pandemic Rules for Governments—and Their Gyms
• Schools for Health: 5 Steps to Checking Ventilation Rates in Classrooms