Substance Use and Harms Tool
The Substance Use and Harms Tool provides comprehensive epidemiological information on substance use and harms data in Ontario. Users can explore data related to emergency department (ED) visits, hospitalizations and deaths, as well as indicators related to commercial tobacco, cannabis, vaping, nicotine pouch use and harm reduction, including naloxone doses and needle and foil distribution. Results can be viewed by public health unit, age, sex, and in some cases, drug type.
The Substance Use and Harms Tool is updated quarterly.
How to Use Substance Use and Harms Tool
This resource is best viewed on desktop or tablet.
To learn how to navigate the tool, see our User Guide.
To see information on source data, classifications, citations, definitions and more, see our Technical Notes.
Historical Snapshots
Self-Reported Smoking Snapshot – PHU (2003 to 2013–14)
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