Canadian wildfire smoke blanketed large parts of the United States in June 2023
Dated 8 June 2023: Canadian wildfire smoke blanketed large parts of the United States in June 2023. In the causal graph this event weakens Air Pollution, a driver that strengthens Exposed to air pollution — an improving welfare path.
Who was responsible
Contribution type and responsibility level for each recorded actor — not sole-author shorthand.
No public contributors are listed for this fact.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FactCanadian wildfire smoke blanketed large parts of the United States in June 2023
- weakensDriverAir Pollution
- strengthensIndicators (2)Exposed to air pollution
provisional weight · verified
- Better
Strengthens · 88% impact strength (driver → indicator)
Observed
95.9% of population · 3.28 below the normal line (2020)
Better than normal3 readings, 2018–2020: fell from 97.6% of population to 95.9% of population.
Above normal = worse
Strengthens · 76% impact strength (driver → indicator)
Observed
403 deaths per 100,000 population · 164 above the normal line (2023)
Worse than normal6 readings, 2018–2023: fell from 435 deaths per 100,000 population to 403 deaths per 100,000 population.
Above normal = worse
Causal path
How this event connects to drivers and indicators in the graph.
- FactCanadian wildfire smoke blanketed large parts of the United States in June 2023
- weakensDriverAir Pollution
- strengthensIndicatorExposed to air pollution
Cite this page
Factrail. (2026). Canadian wildfire smoke blanketed large parts of the United States in June 2023. Factrail. https://factrail.ai/facts/canadian-wildfire-smoke-us-june-2023
https://factrail.ai/facts/canadian-wildfire-smoke-us-june-2023
Accessed 16 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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