LA fire smoke triggered surge in airborne toxins: How long did they stay?
A UCLA study analyzed air quality following the January 2025 Eaton fire in Los Angeles, finding spikes in toxic heavy metals during active burning. Researchers concluded that these pollutants dissipated quickly, with air quality returning to normal levels within six days.
Why it matters
Understanding the short-term impact of urban-wildland fires is critical for public health policy and community safety as these fire events become more frequent.
by Jason Islas, University of California, Los Angeles
edited by Gaby Clark , reviewed by Robert Egan
This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility:
Add as preferred source Smoke from the 2025 Eaton fire in Altadena as seen from the Koreatown neighborhood of Los Angeles. Credit: Jessica Christian/Unsplash A new study from UCLA provides insights into how the January 2025 Eaton fire affected air quality downwind, showing how levels of toxic airborne contaminants spiked and then dissipated as the burning died down. The research is published in the journal ACS ES&T Air .
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in