COVID-19: Guidance on indoor ventilation during the pandemic

The Public Health Agency of Canada (PHAC) has developed this guide to inform Canadians about how indoor ventilation, in combination with other recommended public health measures, can reduce the spread of COVID-19. This guide also provides practical tips on how to improve indoor air, ventilation and filtration to help reduce the spread of COVID-19.

Data and Resources

Additional Info

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Last Updated April 17, 2026, 20:15 (UTC)
Created April 17, 2026, 20:15 (UTC)
criticality_level []
geographic_scope []
open_canada_collection publication
open_canada_date_modified 2021-01-18 00:00:00
open_canada_date_published 2021-01-03 00:00:00
open_canada_keywords {"fr": ["COVID-19", "Coronavirus", "ventilation", "espaces intérieurs", "pandémie", "Canada"], "en": ["COVID-19", "Coronavirus", "ventilation", "indoor", "pandemic", "Canada"]}
open_canada_subject ["health_and_safety"]
sensitivity_level unrestricted
title_fr COVID-19 : Guide de ventilation des espaces intérieurs pendant la pandémie
update_frequency unknown