Human Health Risk Assessment for Sulphur Dioxide: Executive Summary

Health Canada undertook a health risk assessment of sulphur dioxide (SO2) in order to update the available information on adverse effects of SO2 to human health, determine recent Canadian SO2 exposure levels, and to inform the revision or development of Canadian ambient air quality objectives/standards. | The Air Quality Assessment Section of Health Canada undertook a health risk assessment of sulphur dioxide (SO2) in order to update the available information on adverse effects of SO2 to human health, determine recent Canadian SO2 exposure levels, and to inform the revision or development of Canadian ambient air quality objectives/standards.

Data and Resources

Additional Info

Field Value
Last Updated January 16, 2026, 20:57 (UTC)
Created January 16, 2026, 20:57 (UTC)
contains_pii non
criticality_level Élevé
data_formats HTML
fair_openness Level 2 - Machine-readable
geographic_scope Canada
sensitivity_level Faible
source_inventaire Inventaire_W
source_url https://open.canada.ca/data/en/dataset/685f9786-3822-4586-a909-8dd715418916
subject health_and_safety
update_frequency as_needed
year_most_recent 2021-03-01 19:11:12.989000
year_start 2021-03-01 19:11:12.989000