Ontario wildfire smoke exposed Americans to unhealthy air for 106 million person-days
Richmond Hill, Ontario, Canada, 13 August 2026 — A mid-July wave of wildfire smoke from Canada exposed people across Canada ...
Richmond Hill, Ontario, Canada, 13 August 2026 — A mid-July wave of wildfire smoke from Canada exposed people across Canada ...
Wildfire smoke has become an increasingly important source of prenatal air pollution in the United States, even as overall exposure ...
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© 2025 Scienmag - Science Magazine