# Caltech Study Finds Toxic Metals Spiked in Eaton Fire Smoke

https://pasadenanow.com/main/caltech-study-finds-toxic-metals-spiked-in-eaton-fire-smoke

Haroula Baliaka working with equipment on the roof of the ASCENT site in Pico Rivera. [photo credit: CALTECH]Smoke from the Eaton Fire had a sharply different chemical makeup from typical wildfire smoke, with toxic-metal levels spiking while homes and vehicles burned, according to a Caltech study published Wednesday. Researchers estimated that nearly 7 million people in the Los Angeles metropolitan area were exposed to 24-hour lead concentrations 80 times higher than typical values at the peak of the fire’s structural burning. The estimate was based on data from an air-monitoring station in

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Created: 2026-10-29T11:47:14.424774+00:00

Last edited: 2026-10-29T11:47:14.424774+00:00

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Original source: https://pasadenanow.com/main/caltech-study-finds-toxic-metals-spiked-in-eaton-fire-smoke