Eaton fire emitted CO at 20× LA’s daily human emissions

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- Eaton fire produced carbon monoxide at rates more than 20 times higher than Los Angeles County's average daily human‑caused emissions.
- Eaton fire released about 153 million kilograms of carbon (337 million pounds) into the atmosphere.
- Burning homes and other structures accounted for a larger share of the fire's carbon emissions than trees and shrubs.
- PM2.5 levels at some monitoring sites exceeded the EPA's 24‑hour health standard for one to three days.
- Eaton fire smoke reached downtown Los Angeles within hours and later spread to coastal areas, exposing communities far from the burn zone.
- Researchers used satellite imagery, computer‑aided plume modeling, and ground sensors to track smoke movement across the region in near real time.
Why it matters: Public‑health officials gain a clearer metric for assessing wildfire‑driven air‑quality emergencies, while Los Angeles residents face heightened respiratory risks and insurers confront rising claims; policymakers must now factor structural‑burn emissions into fire‑cost calculations, underscoring the need for stricter building codes and faster evacuation protocols to mitigate future health impacts.




