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Dangers of wildfire smoke:

“There are many pollutants of concern in wildfire smoke,” including ozone, carbon monoxide and other toxic gases, says Hendrickson. Small particles in the smoke, called particulate matter 2.5 or PM2.5 — and even smaller ultra-fine particles known as PM0.1 — also pose a threat in large part because they can penetrate deep into the lungs, “enter the bloodstream, and reach every organ of the body.”

https://www.bloomberg.com/news/articles/2025-01-10/la-wildfire-smoke-adds-billions-to-healthcare-costs #press #CaliforniaWildFires